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Unequal leg length

Unequal leg length
Classification & external resources
ICD-10 M21.7
ICD-9 736.81, 755.30

Unequal leg length or leg length inequality (LLI) refers to a medical condition where the legs are of different sizes.

One form is "leg length alignment asymmetry" (LLAA ) is a condition in physiology where one leg (the 'short leg', or unloaded leg) is unequal in length while in a supine or prone position (i.e., laying down).

LLAA can be either anatomical in nature (short bones due to growth or an accident) or neuromuscular (hypertonicity in the musculature of the pelvis or leg).[1]


  1. ^ Knutson, G. A. "Anatomic and functional leg-length inequality: A review and recommendation for clinical decision-making. Part II, the functional or unloaded leg-length asymmetry". Chiropractic & Osteopathy 2005, 13:12 doi:10.1186/1746-1340-13-12.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Unequal_leg_length". A list of authors is available in Wikipedia.
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