Excerpt
The ability of the child with myelomeningocele to stand or walk is often compromised by hip flexion contractures. If this problem is to be avoided, preventive measures must be undertaken early, ideally in the neonatal period.
The normal neonate lies in the fetal position with the lower extremities flexed. The constant force of gravity gradually pulls them into extension. The infant with myelomeningocele often has insufficient adductor control to prevent the lower extremities from falling into complete abduction when they are flexed. This abduction in the flexed position may be so extreme the legs lie flat on the bed in what is often termed a “frog leg position.” When the legs are in this position, gravity cannot pull them into extension. In addition, if the lesion is below L1 and above S2, there will be no hip extensor motion to counteract the hip flexor muscles.…
- Received February 1, 1980.
- Accepted October 24, 1980.
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