Leg-length inequality: a risk factor for OA.  Simple shoe modification may correct knee osteoarthritis and other conditions that result from a shorter leg.
D000368:Aged; D018771:Arthralgia / Q000209:etiology; D006801:Humans; D007717:Knee / Q000473:pathology; D007870:Leg Length Inequality / Q000150:complications*; D017116:Low Back Pain / Q000209:etiology; D008875:Middle Aged; D009140:Musculoskeletal Diseases / Q000209:etiology; D009989:Orthotic Devices; D020370:Osteoarthritis, Knee / Q000209:etiology* / Q000517:prevention & control*; D012307:Risk Factors; D012775:Shoes