Limb Length Discrepancies of the Lower Extremity (The Short Leg Syndrome)

Abstract
A survey of over 4,000 athletes and long distance runners, seen in my office over the past 6 years, reveals almost 40% of some form of limb length discrepancy. The limb length discrepancy is oftentimes associated with functional abnormalities, such as overpronation of one foot in contradistinction to the other or imbalances within the pelvis itself. Likewise, anatomical or true shortness may be present or a combination of anatomical and functional discrepancies. There appears to be a high correlation of injury on the short leg side and also associated weakness with the shortening. Conversely, utilizing a heel lift for a functional problem may cause contralateral symptoms. That being the case, it appears appropriate for practitioners involved in treating athletes to be aware of the various forms of limb length discrepancies that may exist, their significance, and their appropriate treatment. J Orthop Sports Phys Ther 1981;3(1):11-16.

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