Unequal leg length

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ICD10 = ICD10|M|21|7|m|20
ICD9 = ICD9|736.81, ICD9|755.30
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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) which 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., lying 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). [ [http://www.chiroandosteo.com/content/13/1/12 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.]

The most common treatment for discrepancies in leg length is the use of a simple heel lift, which can be placed within the shoe. [ [http://www.dongfang.co.uk/html/leg_length.html Dongfang, "Leg length discrepancy recommendation for medical purposes.]

References

http://www.vitalityclinic.ca/the_short_leg_syndrome_how_to_correct_this_common_ailment