At birth, all babies are somewhat bow
legged because, within the cramped space in the uterus, the legs are likely to
fold over each other. (In Latin, genu means knees and varum means inwardly
curved.) In the simplest terms, legs are defined as bowed if, when the ankles
touch each other, the unbent knees do not. In practically all cases, mildly
bowed legs correct themselves, even if the condition persists until the child
is three years old. When only one leg is bowed, however, the cause may be a
turning in of the leg bone resulting from a birth injury or an inherited
degenerative disease of the knee.
Diagnostic Studies And Procedures
A pediatrician normally checks a baby's
legs during routine examinations. If the bowing is less than 20 degrees,
chances are that the problem will correct itself. Mildly bowed legs that fail
to straighten out spontaneously by the time the child is four years old also
warrant an evaluation by an orthopedist. An X-ray may show bone deformities or
injuries. If there is a family history of bowlegs and knock knees, a genetic
disorder is likely. Other possibilities include Blount's disease, or tibial
osteochondrosis, in which the shin bone curves inward because the growth plate
ceases to function normally. This abnormality may develop in children who walk
early, or who are very short or obese. Bowlegs may indicate rickets, a disease
caused by vitamin D deficiency due either to an inadequate amount in the diet,
a lack of exposure to sunlight, or a genetic inability to absorb the vitamin. Without
sufficient vitamin D, the body cannot utilize calcium, and the result is soft
and deformed bones. Medical Treatments
If the bowing is severe or worsening, braces
and surgery are the first options to be considered. Blount's disease usually requires
surgery to rotate the shin bone to its proper position. Otherwise the condition
may eventually result in disabling problems of the knee joints. Nutritional
rickets is treated with large doses of vitamin D. The treatment of rickets that
is caused by a genetic metabolic defect will vary depending on the nature of
the disorder.
Alternative Therapies
Responsible practitioners of acupuncture,
chiropractic, and most other alternative therapies would not undertake the
basic treatment of bowlegs. Light Therapy
Massage Therapies
Massage, using gentle manipulative
exercises by a practitioner trained in pediatric care, may be helpful. Nutrition
Therapy
Self Treatment
If your baby is overweight, consult a
pediatrician about a change in diet.
Other Causes of Bowlegs
In rare cases, an inherited metabolic
disorder called neurofibromatosis may produce leg bowing and other
neuromuscular abnormalities. This condition usually corrects itself as the bone
heals.
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