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  What Parents Should Know About Their Children's Feet

A Guide to Preventing Foot Problems as an Adult
Leonard R. Janis, D.P.M.

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Foreword
Parents often ask if their child's foot problem could have been corrected sooner. Frequently, the answer is a resounding "yes." It is important to try to prevent foot problems before they occur. Most adult foot conditions actually begin in early childhood and progress as the child grows. Parents generally do not notice problems with their child's feet, so conditions that could have been prevented or corrected early never are properly evaluated or treated. When one finally does notice a foot condition, it can be too late to treat conservatively.

My experience, in more than 25 years of treating foot, ankle, and leg conditions, is that a great many of children's foot and leg problems are neglected. Some are obvious such as, a club foot, a child who has a severe intoeing gait, or infected ingrown toenails or warts. The parent notices these immediately and seeks out a competent member of the medical community for appropriate treatment. However, most other conditions which the parents think will go away or is reassured that the child will outgrow the problem, unfortunately continue into adulthood. Although some of the conditions will improve with time, most do not. The child, then, doesn't get any treatment. It is no wonder that 70% of all adults report some type of foot problem.

A complete history and physical examination will determine whether there is a problem, why the problem exists, ways to treat it, and any benefits or risks. What Parent's Should Know About Their Children's Feet provides information parents need to know to make informed choices regarding their children's foot health. Having this information will lead to a better understanding of common foot and leg conditions and their appropriate treatments from birth to adulthood.

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Table of Contents Page (click on topic below)

Growth, Anatomy & Development
Growth and Development
Anatomy & Development
When to Examine for Problems
Foot & Leg Functions

Common Conditions Found at Birth
Congenital Dislocation of the Hip
Club Foot
Reverse Club Foot (Calcaneal Valgus)
Rocker Bottom Foot
Metatarsus Adductus (Turned in Foot)
Overlapping Toes
Webbed Toes (Syndactaly)
Extra Toes (Polydactaly)
Long Toes or Short Toes

Common Leg Conditions During Early Childhood
Intoeing (Pigeon-toed)/Out-toeing (Duck or Slue-footed)
Bowlegs/Knock Knees
Hyper-Extension of the Knees
Leg Length Differences
Tight Heel Cord (Equinus)
Night Cramps
Low Arched Feet (Flat Footed)
High Arched Feet

Conservative Treatment Methods
Shoes & Shoe Therapy
Orthotics (Custom Designed Insoles)

Common Childhood Nail & Skin Problems
Nails
Warts
Foreign Bodies
Fungus Infections
Contact Dermatitis
Impetigo
Eczema
Psoriasis
Foot Odor
Corns & Calluses

Conditions Affecting the Growth Centers of Bone
Hip Joint (Legg-Calvé-Perthes' Disease)
Knee Joint (Osgood-Schlatter's Disease)
Arch of Foot (Kohler's Disease)
Bone in Ball of Foot (Freiberg's Disease)
Heel (Sever's Disease)

Injury-related Conditions of the Foot & Leg
Fractures & Dislocations
Overuse Injuries of the Knee (Chondromalacia)
Shin Splints
Achilles Tendonitis

Common Hereditary & Developmental Bone Problems
Juvenile Bunions
Hammertoes/Mallet Toes
Medial Pinch Callus of the Great Toe
Tailor's Bunion
Accessory Bones (Extra Bones)
Ganglions & Cysts
Enlargement on the Back of the Heel (Haglund's Spur)

Childhood Ankle Conditions
Children in Dance & Sports
A Word About Children & Surgery
Conclusion

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Growth, Anatomy & Development

Growth and Development
The average newborn weighs 7 to 7 ½ pounds at birth and is approximately 20 inches long. Growth is fairly rapid until age two, and then starts to slow until puberty. The growth rate in boys and girls is fairly equal until puberty, then the rate accelerates. Girls usually develop two years ahead of boys. After puberty, at approximately age 16 in girls and age 18 in boys, growth ceases. Typical "growing pains" are associated with the normal growth of the child due to differences in growth rate, and pressure of different structures as they grow.

09At birth, a child's legs are relatively short when compared to the overall length of the body. From six months of age until puberty, the legs grow more rapidly, until the growth plates start to close.

Statistically, most people have one leg longer than the other. The right leg is slightly longer than the left 70%-75% of the time. The left foot is slightly longer than the right, although the right foot is somewhat broader.

The foot doubles in length from birth to age four. It increases in size almost one centimeter per year. At age 10, girls reach 90% of their foot growth, boys reach approximately 80%. By age 14, most girl's feet have stopped growing, whereas growth stops about 16 years of age in boys.

10When an infant is born, its legs are rotated outward. In fact, there is twice as much rotation outward as there is inward. The femur, or thigh bone, and the tibia, the lower leg bone, untwist as growth occurs. Therefore, it is most important to know and to understand what is considered not normal. Conditions such as bowlegs, knock-knees, and walking up on the toes are acceptable, depending on what their developmental status is.

The same holds true with flat feet. A flattened foot structure where there is no arch is not abnormal in the first two years of life. We will discuss these conditions later in greater detail. Again we need to know what the normal foot structure is in order to make appropriate decisions as to when the child will either outgrow the condition or needs treatment.

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Anatomy and Development
11-1At birth there are relatively few bones in the foot. As the child matures, new areas of bone growth appear until the foot stops growing. By examination and taking an x-ray picture of the foot we can determine the physiological growth (maturity) as compared to the chronological growth (age) of the patient. Knowing this information helps determine whether treatment is necessary.

11-2There are two very important "laws of nature", that determine the final outcome of how normal our feet will be later in life. The first applies to how bones grow, the other to soft tissues, such as muscles, tendons, and ligaments. Basically, the size and shape of any structure, be it bone or soft tissue, is determined by the amount and direction of pressure applied to it. If the structure is allowed to grow normally it will do so. If abnormal pressure is applied as growth occurs, such as a poorly fitting shoe, the structures will change and grow abnormally.

Hereditary factors can and do play an important role in how we develop. If a child's grandparents, father, and mother have flat feet, it would be highly likely that the child will also have flat feet. This may be normal because it is a hereditary condition, and the parents should not be overly concerned. However, not all conditions can be blamed on hereditary factors. In addition, even if there is a strong hereditary background, it does not mean that the condition should be neglected or left untreated.

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When to Examine for Problems
12Every newborn should be examined carefully for any potential foot or leg problem. These are usually easily diagnosed and are associated with congenital abnormalities such as clubfoot, overlapping toes, syndactaly (web toes), polydactaly (extra toes), or congenital dislocated hip. This is done by the physician in the newborn nursery where any limitation of motion or obvious problem can be evaluated and quickly treated.

Another examination of the feet and legs should be done at four to six months of age. This is the age at which most children try to stand and then begin to walk. A child can usually walk unassisted by 10-14 months. Most conditions associated with flat feet, bowlegs, knock knees, leg length differences, and ankle problems become obvious with standing. Hopefully, parents will follow the examination recommendations very carefully. This will help identify and allow treatment of most conditions without letting them get too advanced. An annual checkup or an examination at least every two years after age 10 is essential for proper foot care and prevention of problems.

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Foot and Leg Functions
13-1Basically our feet and legs function to do three things: provide support for the rest of the body, absorb shock, and adapt to the surface which we stand on.

13-2The lower extremities are divided into three segments: the foot, ankle, and leg. It is the foot and it's many bones, ligaments, and tendon structures that acts as the foundation of support. The foot is uniquely designed to absorb shock and adapt to allow for proper function. Studies have determined that this marvelous structure works by changing the angles of how it strikes the ground and how each of its individual bones line up and when. The heel should be straight up and down and the bones in the ball of the foot should hit at the same time when the foot his he ground. If for example, this alignment is off, the foot, ankle, and leg will get out of alignment and not function properly. Structural changes then occur that lead to foot and ankle problems and to potential deformities.

14The ankle and foot work together as a unit. The foot allows for motion to occur mostly side to side, whereas the ankle allows for the motion to occur up and down. Both of these motions are converted into rotation or twisting motions that is taken up into the leg. All three of these structures, the foot, ankle, and leg, must work together to insure proper function.

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Common Conditions Found at Birth

Congenital Dislocation of the Hip
15Definition: Congenital dislocation of the hip (CDH) is a condition where the head of the femur (thigh bone) is dislocated out of the hip joint.

Congenital dislocated hip is caused by abnormal position in the uterus or a problem with development. It is eight times more common in girls than boys, with the left hip being six to eight times more involved than the right. There is a strong family predisposition, usually running 20%-30%. The condition is characterized by looseness or laxity of the joint with one leg being shorter compared to the opposite leg. A "clunking" noise may be heard when pulling on the leg and then letting go, as it snaps back. It is easily diagnosed by examination and x-rays.

Treatment: Treatment is successful when initiated early. Typically, either double diapering, splints, or braces, can relocate the bone and it will heal uneventfully. Surgery is rarely needed.

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Club Foot
16Definition: Club foot is fairly common seen with a frequency of 1 per 1,500 births. It is a condition where the foot is held inward and upward in relation to the leg. Some club feet are fairly mild and flexible in nature while others are quite rigid and stiff.

Treatment: The treatment of choice is a series of foot casts done immediately after birth. This will manipulate the foot back into its normal position. Statistically, however, a club foot condition will require some type of surgery 70% of the time.

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Reverse Club Foot (Calcaneal Valgus)
16-2Definition: The reverse club foot deformity is seen at birth and is more frequently found than clubfoot. It occurs in 1 per 1,000 births. It is caused by improper intrauterine positioning and is easily recognized at birth. The entire foot is tilted upwards and can actually touch the front part of the lower leg. It is more commonly seen in girls and first-born children because of a tight fit in the mother's uterus.

Treatment: Unlike clubfoot, the treatment is relatively easy and the results excellent without surgery. The use of casts and braces are all that is needed.

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Rocker Bottom Foot
17-2Definition: A rocker bottom foot is a very rigid flat foot where there is absolutely no arch. In fact, as the name applies, the "arch" area of the foot looks like the rocker part of a rocking chair. It results when the keystone bone that supports the arch inside the foot becomes dislocated out of position. This is usually due to improper pressure inside the uterus.

Treatment: This type of foot problem is highly resistant to any type of casting, manipulation, or conservative care. Surgery is usually the treatment of choice.

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Metatarsus Adductus (Turned in Foot)
17-2Definition: The turning in of the front part of the foot (metatarsals) is one of the most frequently seen conditions in newborns. It is sometimes confused with or associated with being pigeon-toed, which is really a leg rotation problem. Metatarsus adductus frequently affects both feet, although only one foot may be involved. The outside border of the foot is characteristically "c" shaped, and the toes point inward.

Treatment: There are two types of metatarsus adductus: flexible and rigid. The flexible type can be easily straightened and treated with casts or special shoes. The rigid type is far more stubborn. If conservative care fails, surgery would be required.

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Overlapping Toes
18-2Definition: This condition is almost the rule rather than a real problem. That is, it is commonly seen in newborns. The most frequently involved toes are the second toe which overlaps the third. Equally as common is the inward rotation of the fifth toe overlapping the fourth. Overlapping is mentioned here only to note that it is very commonly seen and is not really a problem in most cases.

Treatment: Normally no treatment is needed as it is a condition that will be outgrown. Simple taping of one toe to another is usually all that is needed.

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Webbed Toes (Syndactaly)
19-2Definition: Webbed toes are another common and harmless condition. There is an absence of the web space between one or more of the toes. The web space may be either partially or completely filled in. This condition while not harmful, may cause some concern from a cosmetic point of view.

Treatment: No treatment is needed unless it is severe and involves all or most of the web spaces. Cosmetic surgery could then be performed if requested.

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Extra Toes (Polydactaly)
19-2Definition: Extra Toes are fairly uncommon and may involve one or both feet. Sometimes there are two big toes, other times an extra small or duplicate toe. While not a serious problem it usually affects the child's ability to wear shoes and certainly is a cosmetic problem.

Treatment: The treatment for an extra toe is surgical removal.

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Long Toes or Short Toes
20-1A common concern of parents regarding their children's feet is the length of the big toe compared to the second toe. The big toe may be longer or shorter than the second toe. When it is shorter it is called a Morton's foot and is characterized by a short first bone in the ball of the foot (metatarsal). The toe only appears to be shorter because it sits on a bone in the ball of the foot that is short. This type of foot tends to pronate or flatten and is associated with the formation of callouses.

20-2When the great toe is longer than the second toe, the first bone in the ball of the foot is longer. This type of foot can form a skin callous directly beneath the first bone and contracted toes or hammertoes. Besides the great toe, the other toes may be affected. The cause is the same, a short metatarsal bone.

Treatment: It is of little concern whether the great toe is longer or shorter than the second toe. There is no treatment.

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Common Leg Conditions During Early Childhood

Intoeing (Pigeon-toed) / Out-toeing (Duck or Slue footed)
21-1Definition: When a baby is born there is normally two times as much outward rotation of the legs as compared to inward rotation. As the child grows this unequal rotation gradually begins to even itself out with the end result being an equal amount of inward and outward rotation. Pigeon-toed (inward) or slue-footed (outward) feet positions are fairly common in infants and toddlers with one leg usually affected more so than the other. However, both legs can be affected. The condition of intoeing or out-toeing results from involvement of a variety of soft tissue or bony structures or a combination of both. It may involve the hip, upper leg, knee joint, lower leg, ankle, or foot. A thorough examination is mandatory to determine the exact cause of the condition. Only then can it be decided whether the condition will be outgrown or needs treatment. The earlier it is diagnosed the better. It is unfortunate that parents are told their child will outgrow the problem, only to find out later that the condition still exists and would have responded well to treatment at a much younger age.

21-2Treatment: Fortunately, well over 90% of intoeing/out-toeing conditions will self correct as the child grows. Mother Nature helps to rotate the legs around properly during three periods of the child's rapid growth: 1-3 years, 5-7 years, and during puberty. By age 10-12 only 4% of these types of problems still exist.

22-1Treatment depends on the age of the patient. If detected early, simple changes in sitting or sleeping habits is all that is needed. The habit of sitting in a frog-legged style should be avoided. Sometimes a night splint may be used or even leg casts.

22-2If the condition is left untreated until the child begins to walk it becomes more difficult to treat. The soft tissues shorten around the hip and the knee joints have already begun to tighten up in the wrong position. Simple non-painful braces worn during nap time or special supports that can be used during walking also can be used successfully. It is rare that more aggressive treatment is needed unless the child trips and falls frequently or has chronic pain.

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Bowlegs/Knock Knees
23-1Definition: At birth it is normal for the child to be bowlegged. The legs are not straight at this age. There is a normal progression of development of the legs. The legs are bowed from birth to age 2. They then become straight but become knock-kneed again from age 2 until age 4. From age 4 to about age 7 the process again reverses itself until they are basically straight. Often bowlegs/knock-knees are associated with flat feet. This will be discussed is a separate section. Bowleg conditions often look worse than they actually are. This is because the soft tissue structures of the calf area are rotated to the outside of the leg making it appear more bowed. As the child grows, this apparent bowleg appearance reduces and goes away.

23-2There are some very rare conditions (rickets, Vitamin D deficiency, and bone growth abnormalities) that need to be ruled out in some cases. Both legs are usually affected. If only one leg is affected it may be due to some other problem such as laxity of the ligaments in the knee, a hip problem, or significant difference in the length of the legs.

Treatment: Most treatments associated with these conditions are actually directed at supporting the foot structure to keep the arch from falling. As previously described, since most of the time the problem self corrects, no treatment is needed. However, if needed, appropriate casts and/or braces can make a significant difference. Surgery is rarely indicated unless the child has a severe problem that has not corrected or greatly improved by conservative treatment.

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Hyper-Extension of the Knees
24Definition: Also known as genu-recurvatum, this condition looks like the knees are actually bent backwards. It is often seen with excessive laxity or hypermobility of the soft tissue structures (muscles, ligaments) that support the knee joint. When standing the pressure on the knees from the child's weight makes it more apparent.

Treatment: Fortunately this condition almost always self corrects as the child matures. The best treatment is to do exercises that strengthen the muscles around the knee joint or use braces that help stabilize the knee. If left untreated, the laxity can result in arthritic changes in the knee joint.

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Leg Length Differences
25Definition: Numerous studies have determined that almost 90% of the population has a difference in the length of their legs of up to ¼ of an inch. Therefore, it is not necessarily abnormal to have a leg length difference. However, measurements must be made to determine if a leg length difference is an influence on the total condition of the patient. For example, a child with a problem with their right knee or a low arch only on the right foot may have a faulty foot structure influenced by too long a leg on the right side. In an attempt to help equalize and straighten the body, the arch of the right foot may have lowered to compensate. Conversely, the arch of the left foot may attempt to lift up. An additional way for the body to compensate is for the foot on the long leg side to rotate more outwardly.

While 90% of the time one leg is longer than the other, 80% of the time the symptoms or problem will be located on the long leg side. This is because there is more pressure on the long leg side. Subsequently the foot and leg structure has to give more. Symptoms frequently seen on the long leg side are inside arch problems, inside knee pain and shin splints. Conversely, on the short leg side we often see symptoms of outside foot problems, problems on the outside portion of the knee, upper leg and lower back symptoms. These are generalizations, but they are true most of the time.

Differences in leg length are due to four variations in structure or combinations of all four: bone to bone length, how the bones are situated in the soft tissue (muscle tightness), combinations of both, or from the foot structure.

Treatment: Different types of doctors treat the problem in different ways. Some do not feel there is a real problem with one leg longer or shorter than the other unless the difference exceeds more than ½ an inch.

In my opinion, I look at the condition as only one part of the entire examination. Treatment depends on whether or not the difference in length is significant and how it may help as part of the overall treatment plan. In many instances, no treatment is needed. However, if treatment is warranted, just adding a lift to the short leg side is usually not enough. It is necessary to treat the entire foot and leg length as a unit. Therefore a lift on the short leg side is commonly incorporated into an arch support to support and cushion the foot while equalizing the leg length. Additionally, the leg length difference must be rechecked after treatment and at regular intervals, at least every 6 to 12 months. This is because with appropriate treatment the difference can actually change or even resolve. If the lift therapy is continued too long, it may adversely affect the foot or leg structure and cause continued pain.

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Tight Heel Cord (Equinas)
26Definition: The calf muscles by way of the Achilles tendon attach to the back of the heel bone. Besides helping to push the body forward when walking and running, they also act to hold the outside part of the foot firmly on the ground. If the Achilles tendon is too short, it puts tremendous and excessive pressure on the structure of the foot. In fact, a tight heel cord is a major contributing cause of childhood flat feet. That is, the tight heel cord forces the foot to break down and flatten. In rare instances, the foot doesn't break down and the child then literally has to walk up on their toes. The heel never really touches the ground.

Treatment: Stretching exercises are sometimes effective if the amount of tightness is not to severe. However, exercise must be done properly so as not to further affect the foot and continue to lower the arch. A lift inside the shoe can be used to bring the heel up to the proper height and take pressure off the tendon. Although rare, surgery can be used to lengthen the heel cord. This procedure, while highly successful, is usually done in combination with other procedures to correct any abnormal foot structure.

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Night Cramps
27Definition: Often a child will wake up at night and complain of pain and cramping of the muscles in the legs, specifically the calf muscles. This generally occurs in children who are very active during the day. The cause of this is thought to be associated with a flatfoot structure and tight heel cord. These can cause an overuse of the muscles in the lower leg which results in a buildup of waste byproducts from muscular activity. During activity, the child's muscles contract and dispose of these byproducts. At rest the byproducts can buildup and are not eliminated from the muscles. The child then complains of pain in their legs.

Treatment: Massaging the legs helps to rid the tissues of the buildup of byproducts and helps relieves the pain. It is best to prevent the problem in the first place by providing a rest time before bedtime, as well as a soothing bath. In resistant cases, orthotics (custom-designed arch supports) or medication can be used. Regardless, the problem resolves as the child matures.

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Low Arched Feet (Flat Footed)
28Definition: There are three types of foot structures: normal, high arched, and low arched or flat feet. Flat feet are further divided into three types: the mild type in which the arch is still visible when the weight is on the foot, the moderate type in which, with weight on the foot, the arch is not visible, and the severe type in which, with weight on the foot, not only is the arch not visible but the area on the outside border of the foot looks "c" shaped.

Mild low arched feet are very common. It is estimated that 70% of the general population has a tendency toward excessive rolling in of the foot. This can lead to a formation of painful bunions, hammertoes, callouses, heel spurs, tendon injuries, and leg and back problems as an adult. Children rarely complain of pain, but often present with chronic leg fatigue, night cramps, appear clumsy, trip or fall, or have uneven shoe wear.

29Most children never show an arch in their feet until they are 18-24 months old. This is because there is a normally occurring fat pad that occupies the arch and fills in the normal contour of the foot. An important difference in the flat foot of a child as compared to that of an adult is that much of the foot structure in the child is still cartilage which continues to develop until adulthood.

Much of this structure develops by age six. Therefore a low arched foot even up to this age is not necessarily abnormal. However, when walking begins between the ages of nine and eighteen months, pressure on the foot structure and its cartilage can adversely effect how the foot forms. Therefore, an examination of the foot very early and again just when the child begins to walk will help determine if any problems exist and whether treatment is advisable.

Most flat feet are flexible or non-rigid. While standing, if the foot flattens in the arch area and then without weight bearing looks normal it is the flexible flat foot type. Non-flexible or rigid flat feet show no arch with or without weight bearing. This type of foot usually is seen with a condition called tarsal coalition.

30-1Tarsal coalition, a condition in which there is an abnormal connection between two bones of the foot. It can be either soft tissue, or a bony connection. Because of the flexibility of the cartilage and fibrous connections, this problem is rarely seen until the age of 10 to 13 years. At this age the soft cartilage in the foot changes and becomes bone. If a rigid connection forms it prevents the foot from moving properly. It is often associated with tightening of the muscles on the side of the leg. These muscles eventually go into spasm and the foot becomes locked into position (peroneal spastic flat foot). Fortunately this condition is rare and is seen in only one to two percent of children. It also seems to affects boys much more commonly than girls.

30-2Treatment: There are 3 treatment options depending on the child's age and degree of problem: special shoe modifications, orthotics (custom designed arch supports), and surgery. Knowing what, or what not to do, and for how long, is critical to a successful treatment outcome. Since these treatments can be used for other conditions than flat foot, they will be discussed individually later.

Remember though, flat feet should be evaluated very early, beginning at seven to nine months of age or when the child begins to walk. Unfortunately, most people think little can be done to correct flat feet. This misconception is from a lack of understanding of the problem. Attention to proper treatment will encourage normal development.

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High Arched Feet
31-1The arch of the foot, if too high, does not absorb shock well nor does it adapt to the ground like a normal foot would do. Fortunately, the excessively high arched foot is infrequent. Because it can be associated with neuromuscular diseases, it is important to obtain a thorough family history with possible examination of other family members.
High-arched feet have basic characteristics associated with them, such as rigid hammertoes, painful and thick callouses, heel spurs, frequent ankle sprains, and a tight heel cord. The toes often contract upward. They can raise so high that it pulls the protected fat pad forward and away from the bottom of the ball of the foot. This results in considerable pain in the ball of the foot and arch.

31-2High-arched feet do not respond well to conservative care. When an orthotic is used in treatment, it must be constructed with very soft and shock absorbing materials. Frequently, severely high-arched feet make it impossible to wear shoes or walk comfortably. Surgery, when indicated, is directed at correcting the many different toe, metatarsal, midfoot, heel, and tendon problems associated with high-arched feet. The surgery often needs to be staged, that is, divided into several different operations because of it's complexity. It is also common to fix only one foot at a time. The surgery to correct a high-arched foot repositions and realigns the bones and tendons of the foot structure therefore allowing for proper function.

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Conservative Treatment Methods

Shoes and Shoe Therapy
33Before we discuss "corrective" shoes, it is important to look at some of the standard recommendations for shoes by the shoe industry for each age group.

Infants generally should wear high top shoes with a soft, flexible bottom or sole. The only reason for a shoe at this age is for protection. Until 18 to 24 months of age, the high top shoe is used to merely hold the shoe on more securely. It does not truly support the ankle nor restrict motion of any kind. The soft, flexible sole allow the child's soft foot structures plenty of room to move and grow.

The oxford type "low top" shoe is best used as soon as the child begins to bear weight and then begins to walk. The low top allows for needed ankle motion. It not only affords protection for the foot, but more importantly provides a firm flat surface. The foot can function more correctly when on a flat surface. Therefore the shoe should also have a rigid shank. A rigid shank is where the sole of the shoe is reinforced from the heel to just in back of the bones in the ball of the foot. However, at the ball area, the shoe needs to be quite flexible. The correct size should be frequently checked as the child's foot grows rapidly.

34Generally, a small raised heel helps prevent excessive wear and tear on the shoe. Leather is the preferred material. It is flexible, wears well, and most importantly, it breathes. Children's feet readily perspire. The leather allows moisture to pass through and evaporate easily. Natural cotton socks are excellent to help absorb perspiration.

Athletic types of shoes (tennis shoes) are fine to wear but are best reserved for times when the child is involved in very active or sporting type activities. Most parents have a tendency to allow the child to wear this type of shoe all of the time. While not considered the best choice for the foot structure, with today's construction methods, materials, and shoe industry technology, wearing this type of shoe is a close second choice and perfectly acceptable. The most important and best quality of athletic shoes is their ability to absorb shock. Be careful not to buy very cheap shoes. They cost less in general because they do not have the quality materials nor the proper construction needed to support the foot. They frequently do not last very long either. You always wind up buying shoes more frequently than really needed.

A word about other popular type of shoes: sandals made with a good arch support that do not cause irritation are fine during warmer weather; flip-flops other than for use at the pool are not recommended. Moccasins do not provide any support and only a minimal amount of protection. They should be avoided. Patent leather Mary Janes for the occasional dress up time are acceptable. However, they should not be worn for any extended period of time. The patent leather does not breathe and is frequently lined with a nylon type material. Children can develop friction burns on the skin of their feet from this type of shoe.

34"Corrective Shoes" for various types of foot problems have been around for years and are widely recommended by all types of doctors. Surveys have indicated many pediatricians, podiatrists, and orthopedic doctors routinely prescribe "orthopedic" or corrective shoes. However, there is little evidence to justify using shoes to correct most foot problems. Shoes can be a valuable indicator of some type of foot problem when they wear abnormally or there is a noticeable gap between the foot and shoe.. But the problem with corrective shoes is that the foot moves within the shoe and could not possibly hold the foot in the desired position to really correct it.

Although shoes as a correction do exert some small measurable affect, most of the time the problem should not have been treated in the first place, or it corrected itself as the child grew. The shoe itself did very little.

Some shoe types and certain modifications are valuable to use in rare instances, and only for a short period of time. For instance, while it is best to cast an infant's foot when there is a problem, sometimes an open toed shoe can be used to realign a problem or help hold it in place.

Arch cookies, like corrective shoes, do little to alter a flat foot or other foot problem. Studies have determined the end result to be the same whether arch cookies were used or not.

Remember, shoes are a necessity to protect and support the foot structure and to help absorb shock. We walk an average of 70,000 miles in a lifetime. Good shoes will help ensure our feet will last a lifetime.

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Orthotics (Custom Designed Insoles)
36Orthotics are used for children to do three things: control and balance how the foot functions, to help correct a foot problem, and to aid in preventing a foot problem from getting worse. In an adult, an orthotic will not really correct anything that already exists or has occurred since birth. It acts more as an accommodation.

What is an orthotic? It is a custom designed foot support. It is not an arch support. Orthotics help to balance the front and back part of the foot structure to keep it in alignment with the ankle and leg. The arch is only secondarily affected. An arch support appears to help the arch because it pushes up on the soft tissues. When the support is removed the arch of the foot simply flattens back down. An orthotic balances the foot structure and allows for growth in a proper alignment. When growth has been completed, the orthotic can be discontinued, and the foot structure, now normal, will remain in the proper position.

Remember that initially, almost all children's feet pronate or appear to roll in. When they begin to walk, usually at age 10 to 15 months, their feet will look flat. If the doctor's examination determines an abnormal foot condition, treatment is best begun at that early age. Also recall that many foot problems can be influenced by intoeing and out-toeing. If these are present in addition to a foot condition, treatment is needed.

While there are literally hundreds of different styles of orthotics, there are really only two types: rigid and soft. Soft orthotics are generally reserved for adults who not only need control of their foot structure but cushioning as well. Children almost always require rigid orthotics. Do not confuse rigid or hard orthotics with discomfort. When made properly an orthotic is very comfortable. Orthotics for children need to be made of rigid materials to control and balance the foot structure best.

How is an orthotic prescribed and then made? First, your doctor will perform an examination and determine if an orthotic is needed for your child. The type of device will then be determined and a cast impression of the foot is made. This is done in a variety of ways. Regardless of the method, it is painless. The foot is held in the correct position, and an exact copy of the foot is made. The impression cast is then filled with plaster. When dry the result is a mold of the child's foot. Plastic materials are then used to fabricate the orthotic device over the mold.

A word about taping. Sometimes tape is used to help support the foot structure to see if an orthotic will be beneficial. While sometimes appropriate in an adult, there is no reason for this type of treatment with a child.

What about over-the-counter arch supports like those sold in stores. Orthotics are like eyeglasses. If you need an orthotic, it needs to be your own. Over-the-counter or prefabricated devices only rarely work and should not be used.

A child's orthotic, to be effective, needs to be worn all the time. That means orthotics and shoes should be worn all the time except when taking a bath or sleeping. While this may sound like a lot, think of your child wearing braces on their teeth for 24 hours a day. An orthotic can only work when it is worn. If it is used off and on, the results of the therapy will be less than satisfactory. Or course, orthotics can be switched from one pair of shoes to another.

Parents must remember that it takes time for the effectiveness of an orthotic to be judged. It is not a short term therapy. It is used at least for a period of one to two years and can be utilized past puberty. Generally, in a growing child, new orthotics will be needed every two to three years or four to five changes in a shoes size.

Most children can wear their orthotics right away and do not require a break-in period, although some children will need to break their orthotics in gradually. If the child complains of pain or discomfort, or develops blisters or areas of irritation from the orthotics, consult your doctor immediately. Sometimes the device will need a minor adjustment.

Socks should always be worn with orthotics. If the child's foot perspires excessively, lightly dust the inside of the shoe with talcum powder, or spray the feet with underarm spray deodorant with an antiperspirant in it. This is an easy and inexpensive way to reduce excessive perspiration. Orthotics function best in a good pair of shoes. If the shoe is excessively worn down, it will not allow the device to work properly.

An orthotic functions to bring the ground up to the foot rather than the foot going through abnormal motion to contact the ground. They can be quite effective when used correctly in treating many children's foot problems.

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Common Childhood Nail and Skin Problems

Nails
39Infants are born with paper thin nails. They need to be trimmed often to prevent babies from scratching themselves. Fortunately, infants and toddlers rarely have troublesome nail problems. If they do, it is an ingrown nail caused by an injury such as dropping a heavy object on the toe.

Ingrown nails are best treated by prevention. That is, proper trimming either straight across or slightly rounded will help the nail sides from developing hooks on them which can become ingrown with subsequent infection. If such a problem does occur in a very young child, most often it can be treated successfully with local measures, such as topical antibiotic creams and soaks. Because the nails are very thin and pliable, conservative care until the nail grows out is usually sufficient. If not, there are several minor surgical procedures that can be performed in the office with excellent results. However, it is important to treat an ingrown nail as soon as it occurs. A chronic infected nail can lead to other more serious problems.

If a child unfortunately drops something on their toe, it can cause bleeding underneath the nail, and it is very painful. The blood that collects underneath the nail plate itself makes the nail look very dark blue or even black in color. It is best to seek the advise of your doctor when this occurs. It may be necessary to make a small hole in the nail to let the blood come out in order to alleviate the pressure underneath. Sometimes the whole nail must be removed. It almost always will grow back normally. An x-ray picture may be needed to make sure that there is no injury to the underlying bone.

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Warts
40Warts are caused by a virus. Mostly seen in young children, they are often seen on the feet in numerous locations. When they occur on the bottom of the foot, they can be easily confused with other skin conditions such as a callous or cyst. It is important to identify it as a wart so as not to treat inappropriately.

Characteristically, a wart will have small dots or seed-like markings, whereas other lesions do not. These "seeds" are really the ends of very tiny blood vessels called capillaries, which provide the blood supply o the wart and helps it to grow. There may be just one wart or many. Permanently getting rid of warts may be exceedingly frustrating. There are many different treatments for warts, ranging from the simple over-the-counter medications to advanced laser techniques or surgery.

In young children, it is best to use the simplest and easiest treatment which is an over-the-counter acid preparation. The child's foot is soaked in warm water for two to three minutes, gently rubbed with a washcloth, and then acid is applied to the wart area two to three times as day for two to three weeks or until the wart is gone. If a new wart appears, or there is a recurrence of the old wart (up to 30% of all warts re-grow), the process is repeated.

When the medications are used as directed, they are usually successful. However, if this fails, other types of wart treatments can be attempted. Surgical removal is an option but is mostly reserved for warts resistant to conservative care or in very difficult cases.

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Foreign Bodies
41Unfortunately, children occasionally step on a sharp object such as a needle or sliver of wood. Most of the time, it can be easily removed, the area cleansed, and healing is uneventful.

Obviously, the best protection against stepping on sharp objects is to make sure your child wears shoes as much as possible. This not only helps prevent an accident but helps the foot structure to grow better because it is supported and balanced.

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Fungus Infections
42Commonly referred to as athlete's foot, it is rare to see this fungal infection in children under the age of three. It is much more prevalent after the age of four. The fungus likes to grow in a dark and moist environment.

Parents frequently ask if the fungus can spread from one child to another. It is not really contagious like a viral infection. Just because one member of the family has the fungus infection does not necessarily mean anyone else will get it. Certainly, standard precautions such as wearing clean socks and shoes and avoiding direct contact are advisable.

Fungus infections present themselves in several different ways. There may be a small area of redness between the toes, there may be many small water blisters which itch and look like a rash, or a combination of all of the above.

Typically, treatment is straightforward and simple. The feet should be kept dry and good quality shoes used. Almost any over-the-counter anti-fungal medication will cure the problem. Remember to use an underarm antiperspirant spray on the feet two to three times a day if the child perspires excessively. This will help control the sweating. If the problem is very resistant, consult your physician for prescription medication. Remember, some fungal infections may never really be totally cured. They may recur over and over again, even with treatment.

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Contact Dermatitis
43-1A fairly common childhood problem is an allergic reaction to any number of products used in the construction of a shoe. The materials and glues can react with the skin and cause it to get red and inflamed. The great toe and sides of the foot are usually affected first. The spaces between the toes are rarely affected.

The best treatment for contact dermatitis is to identify the cause of the irritation and remove it immediately. After that, various types of over-the-counter cortisone creams are used to reduce inflammation. If itching needs to be controlled, Benadryl@ can be obtained at any drugstore.

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Impetigo
Impetigo is one of the most common skin problems seen in children. It is a bacterial infection that at first looks like small pimples on the skin. It frequently affects the face although it can be seen on the feet. When the small lesions rupture, the contents of it dry and form a crust. It usually is short lived and heals quickly by bathing, removal of the crusts, and good skin care. Typically, if localized, antibiotic ointments are often helpful in controlling its spread and in healing the problem.

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Eczema
Eczema is a very common term used by doctors for a variety of skin conditions. It is not really a disease at all, but a condition of the skin which can have many different causes. It is characterized by the inability of the skin to refrain water normally. Little blisters of sweat form. These itch, and the subsequent scratching leads to problems. The skin is typically swollen and develops small pimples or crust. It is seen on the face, scalp, arms, and legs. It is usually the result of using perfumed soaps, oils, or powders applied to the infant's or child's tender skin. Non-allergenic products are best used to avoid this generalized skin condition.

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Psoriasis
The cause of this disease is unknown. It is characterized by patchy areas of silvery or pearly scales frequently seen on the elbows and knees. It is frequently confused with a fungus infection on the feet. Although seen in infants, it is most commonly seen in children over the age of three. On the foot it can affect the nails and appear as tiny pits on the nail itself. If a skin scale is gently lifted up, there will be a small bleeding point underneath it. This is almost a sure sign that confirms the disease. It is best to have your pediatrician treat this condition.

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Foot Odor
43-2If the child's feet smell, it is the result of excessive sweating. The foot becomes secondarily infected with bacteria which causes odor. This is a very common problem, usually from not wearing socks with shoes. The socks act to absorb the perspiration thereby eliminating the environment for the bacteria to grow in the first place. As previously discussed the use of foot soaks or underarm antiperspirant sprays on the feet usually resolves the problem. Over-the-counter products that help eliminate the odor are also effective. If the shoe also has a foul odor, they must be washed or thrown out and new ones purchased.

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44-1Corns and Callouses
A corn is an area of thick skin on a toe. A callous is an area of thick skin on the ball of the foot. They can start as simple skin irritation from a shoe, but are really the result of abnormal pressure from a bone underneath the skin. The skin reacts from the excessive pressure of the bone and grows a protection for itself.

It is uncommon to see corns and callouses on a child's foot. When they are present it is the result of some type of abnormal foot problem and should be evaluated and treated.

44-2The areas of the foot where these lesions are most common are the outside of the little toe, on the side of the big toe, the top of the second toe, and under the second and fifth bones in areas on the ball of the foot.

They may be treated conservatively with a change to shoes with more room in the toe area, corn or callous pads, or trimming. An orthotic (custom designed insole) is the best treatment. It controls the mechanics of the foot structure that causes the problem. If the abnormal pressure is relieved, the symptoms improve.

45Children rarely need surgery for these conditionss unless all conservative care has been attempted and failed, or if the condition causes pain or problems with wearing shoes comfortably.

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Conditions That Affect the Growth Centers of Bone

47A child might develop pain or begin to limp without any history of injury. The complaint does not go away or can even get worse. There are several disorders that occur which affect the growth centers of the bones in children. The medical term used is osteochondritis, osteo means bone, chondro means cartilage and itis means inflammation. This group of disorders of the growth plates occur in very specific locations, namely the hip, tibia (lower leg bone), arch bone, foot, and heel. While usually not serious, they are affected by pressure and weight on the bone and can change how the bone is ultimately shaped.

Fortunately, these conditions are all self-limited. That is, as the child grows and matures, the condition will go away. The goal of treatment is to make the child as comfortable as possible during the condition, and to try not to limit their normal activities unless they are unable to continue because of pain.

The disturbance at the growth center in the hip joint (Legg-Calve'-Perthes' Disease) is seen between the ages of 3 and 12 with boys being affected six times more frequently than girls. Although it most commonly affects only one hip, both sides can be involved.

It presents with a noticeable limp and pain in the hip which can extend all the way down to the knee. Treatment is to reduce the pressure on the hip joint. It could take three to four years for the condition to resolve.

Pain and swelling just below the knee is characteristic of Osgood Schlatter's Disease. Just as with the hip problem already described, the adolescent will have a limp and usually have problems climbing stairs. It is most often seen in children between the ages of 10 and 15. Treatment is designed to reduce stress on the knee.

The keystone to the arch bone, the navicular, often undergoes a disruption of a growth center (Kohler's Disease). X-rays will demonstrate a markedly flattened or fragmented bone. This problem occurs most often between the ages of 5 and 7 and predominately affects boys. The child will complain of pain in the arch of the foot and will often limp. The preferred treatment is an orthotic (custom designed insole) to help support and cushion the area.

Frequently seen in children between the ages of 12 and 14 years of age is a disruption of the growth plate at the head of the second metatarsal bone in the ball of the foot (Freiberg's Disease). The child may or may not have had an injury to this area. Symptoms include pain, tenderness, problems with wearing shoes, a limp, and difficulty participating in sports because it hurts when trying to push off the ball of the foot. X-rays confirm an irregular flattened head of the second metatarsal bone. The second toes looks shorter and there is less motion in the joint. This condition, although common, rarely needs to be treated unless there is pain or restriction of range of motion that causes constant problems. The use of injections and physical therapy normally does not help. The child may respond to orthotics or require surgery to reshape the joint and improve motion.

The most common disruption of the growth plate in a child occurs in the heel area (Calcaneal Apophysitis or Sever's Disease). It is most frequently seen in overweight or active boys between the ages of 8 and 13. It predominantly affects only one heel but can involve both.

The child will complain of a painful heel on the bottom or back part of the foot. It feels better during periods of rest. Treatment is always conservative utilizing spongy heel cups or soft orthotics.

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Injury Related Conditions of the Foot and Leg

Fractures and Dislocations
51Fractures in children heal at a more rapid rate than those in adults. In an adult, a broken bone can take six to eight weeks or longer to heal, whereas in a child it may be several weeks less. The same is true regarding the soft tissue structures surrounding the bone. Whereas an adult may take three to four weeks to heal, a child may take one to two weeks to heal.

The main difference in fractures in young children versus adults is that the child has much more soft cartilage and numerous growth plates. When a child sustains an injury not only might they break a bone, but they also may injure the cartilage or growth plate. This can affect the way the bone will grow. In fact, about 30% of all injuries in children also involve a growth plate.

X-rays of fractures or dislocations in children frequently reveal the injury across the growth plate. They may also have bone fragments that get pulled away from the bone because the ligaments in children are very strong. Children's bones are much more pliable and able to bend before they completely break. They may have an incomplete fracture (greenstick) which will heal more rapidly.

52-1Fractures are almost always associated with an injury. The area will be painful and swollen. As with all injuries, immediately ice the area, elevate the foot and leg, and wrap the area in an elastic bandage. Additionally, no weight should be applied to the area. Consult your physician and have x-rays taken.

Sometimes the bone will break or crack, but it will not show up immediately on x-rays. It should be treated as if it were broken, and a repeat x-ray taken several weeks later. If symptoms persist, a special test called a bone scan can be ordered by your doctor. This will detect a fracture that is invisible on a standard x-ray.

The most common area for a stress fracture is the second bone in the ball of the foot called a metatarsal bone. It occurs because there is a weight shift from the first to the second metatarsal bone which occurs with a flattening or inrolling of the foot structure. This weight shift causes excessive pressure on the second bone. When the amount of pressure exceeds the bone's ability to withstand, the bone cracks.

52-2Another common area for a stress fracture is the sesamoid bones. These are like small knee caps and are situated under the head of the first bone in the ball of the foot. They function to give extra power to the muscles in the arch to pull the big toe down. Commonly seen in young teenage girls, it can be quite disabling. Cross-country running or any activity where there is chronic and repetitive stress on the bone structure can cause the bone to break. It must not be confused with a sesamoid bone that can grow normally in two pieces although appear as if it was fractured. X-rays of both feet, for comparison, and a bone scan often help make the correct diagnosis.

Dislocations due to injury can occur when two bones separate at the joint. If a dislocation occurs, the surrounding soft tissue, such as the ligaments, also will be stretched and torn. The dislocation must be reduced as quickly as possible to restore proper alignment and function. It generally will heal satisfactorily in two to four weeks. Physical therapy may be required to aid in restoring the active range of motion, tone, and strength.

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Overuse Injuries to the Knee (Chondromalacia)
53Many times a child will complain of a painful knee without any history of injury. In almost every case it is the result of an overuse problem caused by abnormal foot and leg mechanics. In general, if the problem is on the inside part of the knee, it is due to excessive inrolling or flattening of the foot structure. If it is on the outside part of the knee it is related to a high arched, non-shock absorbing foot structure (supination). It can also be due to the presence of a leg-length difference, weak thigh muscles or an increase in the angle formed between the hip and knee. The condition is caused by repetitive micro-trauma as seen in walking or running. The knee cap (patella) is inside of a tendon which is attached to muscles in the thigh. The tendon inserts or attaches into the bone just below the knee. When the foot rolls excessively, the knee cap is pulled out of it's groove that it slides up and down in and irritates the cartilage. It is commonly felt as a grating sensation of the knee cap on the leg bone.

Treatment is directed not only at the symptoms but at the cause of the problem. We often use anti-inflammatories and an orthotic to help absorb shock and balance the foot structure. This helps to prevent twisting of the leg and prevent the abnormal rubbing of the knee cap in it's groove.

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Shin Splints
T54he term shin splints is defined as any symptom characterized by pain or discomfort in the lower leg. More frequently seen in females than in males, it is thought to be really a combination of three conditions: Tendonitis or an inflammation of the tendon, myositis or an inflammation of the muscle itself, and periositis or an inflammation of the covering of the bone, termed periostium. Shin splints can occur on the lower front part or inside back part of the leg.

The type that occurs on the front of the leg is mostly due to overuse and poor conditioning. The muscle tendon unit gets overused, swells, and causes pain.
The type that occurs on the inside back of the leg is due to over pronation or inrolling of the foot. It usually affects only one leg, and in those who have a difference in the length of their legs.

The treatment for shin splints is physical therapy, anti-inflammatory medication, strengthening exercises, and most importantly an orthotic to control foot and leg position.

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Achilles Tendonitis
55Pain in the back of the lower leg is almost always associated with an inflammation of the Achilles tendon and its covering. In fact, it is reported to be the most common problem of the lower leg.

Associated with overuse or a tight heel cord, it can become very painful and swollen. The child will often not want to walk and will limp. More than one-half of the injuries to the Achilles tendon are from abnormal inrolling of the foot. Slow motion video studies have demonstrated a whipping type motion of the Achilles tendon that occurs with inrolling or a flattened foot structure. This causes micro-tears in the tendon and results in inflammation.

Treatment for Achilles Tendonitis is threefold; stretching of the calf muscle and tendon, control of the inflammation and pain, and control of the function of the foot structure. This would include physical therapy with the use of stretching exercises and massage, the use of anti-inflammatory medication, and orthotics to control foot motion and to raise the heel thus decreasing the pressure of the tendon.

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Common Hereditary and Developmental Bone Problems Seen in Children

Juvenile Bunions
57Often the result of heredity, juvenile bunions are seen in children's feet where there is a strong family history of the problem. The child typically exhibits a very flexible foot structure with a low arch. The juvenile bunion is really caused by the flatfoot structure and a too tight heel cord. Whether to treat the entire condition or only the bunion itself is a matter to be determined by examination. We will discuss how to make decisions about surgery at the end of this section.

Juvenile bunions are usually seen more often in girls than in boys between the ages of 10 and 12. They do not commonly cause pain unless there is excessive pressure from a shoe. The great toe shifts towards the second toe and a large bump develops at the joint area in the ball of the foot. This is not an extra or new bone as we might see in an adult. The bump we see is actually the entire first metatarsal bone in the ball of the foot having shifted or moved out of alignment. If it remains in this abnormal position the child's condition will progress and worsen. Unsightly and painful hammertoes with corns and callouses on the bottom of their foot structure will also form.

There are two treatments for juvenile bunions. First and most importantly, an orthotic must be used to control the forces that caused the bunion in the first place. Second is to operate on the juvenile bunion to reposition and realign the bone. This will allow the foot to function properly.

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Hammertoes / Mallet Toes
58-1The little toes of the foot have three bones and two joints. The big toe has two bones and one joint. When a little toe contracts and humps up between the first and second bones it is called a hammertoe. When the second and third bones contract up it is termed a mallet toe.

Hammertoes and mallet toes are caused by an imbalance between those muscles and tendons on the top of the foot which pull the toes up, and those on the bottom of the foot which pull the toes down. These problems are often seen on all the toes in children with a very high arched foot structure because the muscles and tendons pull the toes up and to the side. Conversely, a child who has a flat foot structure will have contracture of the second and fifth toes.

58-2Hammertoes and mallet toes begin gradually. At first there is mild contracture of the toes with areas of redness and irritation. They progressively get worse and can even get infected as well as very painful.

The initial treatment of hammertoes and mallet toes is conservative. Special toe pads and orthotics can be used successfully. Conditions that do not respond to conservative care can be corrected with surgery.

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Medial Pinch Callous of the Great Toe
59The big toe often develops a hard callous on the side caused by excessive inrolling of the foot. The toe begins to angle towards the second toe. It is commonly associated with other foot problems such as juvenile bunions and hammertoes. Treatment is to smooth down the callous on a routine basis and use an orthotic to help prevent the inrolling of the foot. Surgery can also correct the problem. There are two methods used. Either the excessive bone is filed smooth, or a pie-shaped wedge is removed to correct the excessive angle of the toe.

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Tailor's Bunion
60When there is too much pressure from a shoe on the outside of the foot, or abnormal foot function, or both, the child can develop a tailor's bunion. Tailors used to sit and sew with their legs crossed. Due to excessive pressure on the outside of the foot, the underlying bone would enlarge and cause a painful area directly over the head of the metatarsal bone. Thus the conditions were termed tailor's bunion. In a child whose foot incorrectly contacts the ground, too much pressure is put on the outside part of the foot from the shoes or foot structure, thus causing the tailor's bunion to form. Also, between the bone and the skin, there is a balloon-like structure called a bursa. This helps to absorb shock and tries to cushion the area. When this gets inflamed, bursitis develops. This is why a tailor's bunion can get red and swollen and get seemingly enlarged.
Treatment is to help reduce the pressure on the outside part of the foot by using appropriate pads or orthotics. Surgery is indicated when all attempts at conservative care have failed.

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Accessory Bones (Extra Bones)
61-1More frequently seen in adolescent girls than in boys, the accessory or extra bone, gives the appearance of a lump or enlargement in the middle of the arch. Sometimes called a double ankle, the extra bone grows inside of the tendon responsible for lifting the arch. Studies indicate it occurs in 15% to 20% of the population. The extra bone can become painful and makes shoes uncomfortable to wear. Conversely, it can not cause any symptoms whatsoever until the child accidentally injures the area. The bone can then become dislodged or crack away from its normal position and cause pain.

Usually no treatment is needed for this problem unless it becomes painful or the child has problems wearing shoes because the bone hits the inside of the shoe. Cortisone injections to try to reduce inflammation should not be used as this can weaken the tendon. This is only a temporary relief and is quite painful in this sensitive area. When necessary, surgical removal of the bone is quite successful in resolving the problem.

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Ganglions and Cysts
61-2A ganglion is a fluid-filled sack-like growth that can occur anywhere on the foot or ankle. It is usually found along the course of the tendon. Tendons pass through a sheath or covering. There is an oil-like liquid between the tendon and it's sheath which lubricates the tendon and aids in it's sliding action. An injury or poorly fitted shoe can cause the tendon covering to tear, allowing the fluid inside to leak out. The body then forms a sack-like structure to prevent it from spreading. Besides forming along tendons, this type of structure can also form from fluid that leaks out from between joints.

Ganglions and cysts can get quite large and feel as hard as a rock. They can cause pain or numbness if they cause pressure on surrounding soft tissues, especially on blood vessels and nerves. If small and not in an area that causes a problem, they can generally be ignored. If they grow in a vital area, enlarge, or cause pain, they should be surgically removed. Sometimes injections can help reduce the size of the ganglion, but this relief is mostly temporary. If surgery is performed, the area where the ganglion was removed needs to be well protected until the healing process completely takes place to avoid re-growth.

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Enlargement on the Back of the Heel (Haglund's Spur)
62Most frequently seen in adolescent girls, this enlargement on the back of the heel is caused by an abnormal foot structure and pressure from shoes. Originally called a "pump-bump" after a particular type of shoe, it can be quite disabling. Because of the enlargement on the back of the heel, the Achilles tendon gets irritated as does the surrounding soft tissue structures. The top back part of the shoe presses right on this area and makes it impossible to walk comfortably. X-rays will show an abnormal enlargement on the heel bone.

Treatment can be rather simple. A small heel lift inside of the shoe will change the position of the foot in the shoe and reduce a great deal of the pressure on the back of the heel. Changing the style of the shoe can also be helpful. An orthotic is the best treatment to control foot function and lift the heel at the same time. Surgery is indicated in cases where there is no relief from conservative care.

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Childhood Ankle Conditions

64Ankle problems in children are uncommon. The structures around a child's ankle joint are much more flexible than those of an adult and rarely get injured.

There are ligaments on both sides of the ankle joint. The outside ligaments are much weaker than those on the inside. Often, when an ankle sprain occurs, conservative care such as rest, ice, a compression wrap, elevation, physical therapy, and an ankle support help to restore normal function. If the child frequently injures or sprains their ankle, or has an ankle that is constantly weak or unstable, then further evaluation is needed. A complete examination will include stress x-rays. These are special x-ray views that help determine if there is any looseness to the ligaments. The ligaments around the ankle are like tiny steel cables that connect the bones together and prevent instability. A regular x-ray without appropriate pressure on the ankle cannot determine if the bones move apart when they should not.

Besides the ligaments, there is a balloon-like structure called a capsule that surrounds the ankle joint. It has a lining that functions to produce lubrication for the joint to work smoothly. When the capsule and it's lining get inflamed, the ankle joint will swell and become painful.

The cartilage inside of the joint or the bone itself can get injured. If there is pain or weakness and it lasts longer than three to six weeks, it should be investigated further.
Most children's ankle joint problems are not due to the ankle joint itself being abnormal. They are usually secondary to abnormal foot and leg problems that affect the ankle joint. If the primary problem is corrected, the ankle joint discomfort usually resolves.

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Children in Dance and Sports
We have discussed that a child's foot structure, both the bones and soft tissues, are soft and pliable. They are subject to undue strains and pressures during any sports activities. Are these activities really bad for the child's foot structure? Anything done in excess can cause a problem but, in general, dance and sports are not bad for the feet. Injuries can occur and be treated appropriately. Accidents can and will happen. However, there is a big difference between an injury and chronic, long term pressure on a growing moldable foot structure.

For example, ballet is excellent for its development of coordination, tone, and strength. Because of certain required dance positions, it can be helpful in de-rotation of the legs such as in pigeon-toed gait problems. On the other hand, dancing up on the toes (pointe) is to be avoided because it puts undue pressure on the bones as they grow. Certainly no child should ever consider toe dancing until the age of 10 to 12 years, or until the feet mature. Certain positions in ballet causes the foot to flatten or cause toe problems such as hammertoes and bunions.

The best advice to follow is not to overdo any sport or activity in a young child. Excessive pressure and stress on the growing structures can lead to overuse syndromes with resultant foot and leg fatigue and actual foot problems. As always, use common sense and try not to give into every desire of the child. Remember, the foot structure during growth is delicate and needs to be supported and balanced.

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A Word About Children and Surgery
One of the most difficult decisions parents can make is whether or not their child should undergo surgery. The decision is easier to make when the child has a major foot problem. In these cases, the choice is more clear and the benefits obvious. However, in more subtle situations where the benefit or change would not be fully appreciated until the child matures, it is a much more difficult decision. The parents will often desire a second opinion, as well as seek opinions from family members and friends. An opinion may also be sought from a family of a patient who has already undergone a surgical procedure to correct a foot problem. Once the decision is made to proceed with the surgery, there is a measurable amount of emotional relief. Most of the children handle the experience much better than their parents, and quickly return to the normal childhood activities. Treating the child can be harder on the emotions of the parents than the child.

In almost every case, the child should first have conservative care unless there is an obvious need to proceed with surgery immediately. After a period of one or two years, if there is little improvement with conservative treatment or normal growth, surgery should be contemplated.

Remember, most children do not complain of pain as a symptom. This is due to the cartilage and flexible nature of their structures. They do, however, subjectively present with being clumsy, have problems wearing shoes, or have excessive shoe wear and an abnormal walk.

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Conclusion
67The foot is a marvelous structure. It must function properly to allow the child to grow to adulthood and to lead a life of normal, pain-free walking and activities. Unfortunately, the foot and how it functions are frequently overlooked by many health professionals and parents. Beware of the statement, "Don't worry, your child will outgrow it".
This book provides the information needed to appreciate and understand most foot and leg problems your child could have. Do not take an ostrich approach. Do not stick your head in the sand, wishing that the problem will go away. That does not make it so. A wise man once said "There are three things I cannot cope with, pain, disappointment, and reality!".

Ask questions of your doctor. If you do not like the answer you receive, or do not understand, get another opinion. Do not forget, your child's feet must last a lifetime. Many problems treated early can be resolved so as to never cause a problem later. Parents need to know and understand common foot and leg problems to help their children lead a lifetime of good foot health.

 

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