Bowlegs




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Bowlegs

Definition

Bowlegs is a condition in which the knees remain wide apart when a person stands with the feet and ankles together.

Alternative Names

Genu varum

Causes

Infants are born bowlegged because of their folded position in the uterus. The infant's bowed legs begin to straighten once the child starts to walk and the legs begin to bear weight (about 12 to 18 months old).

Normal appearance is usually attained by the time the child is 3 years old. At this time, a child can usually stand with the ankles together and the knees just touch. If the bowed legs persist into this period, the child is called bowlegged.

Severely bowed legs can be a sign of rickets

Symptoms

  • Knees do not touch when standing with feet together (ankles touching)
  • Bowing of legs is same on both side of the body (symmetrical)
  • Bowed legs continue beyond age 3

Exams and Tests

A doctor can usually diagnose bowlegs by simply looking at the child. Blood tests may be needed to rule out rickets.

X-rays may be necessary if the child is 3 years old or older, if the bowing is getting worse, if it is asymmetric, or if other findings suggest disease.

Treatment

No treatment is recommended for bowlegs unless the condition is extreme. The child should be reassessed at least every 6 months.

If the condition is severe, special shoes can be worn that rotate the feet outward with an 8 to 10 inch bar between them, although it is unclear how well these work. Occasionally, in an adolescent with severe bowlegs, surgery is performed to correct the deformity.

Outlook (Prognosis)

In many cases the outcome is good, and there is usually no problem walking.

Possible Complications

There are usually no complications.

When to Contact a Medical Professional

Call your health care provider if your child shows persistent or worsening bowed legs after age 3.

Prevention

There is no known prevention other than that to avoid rickets. Make sure your child has normal exposure to sunlight and appropriate levels of vitamin D in the diet.

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