Approaches to treating different leg lengths: from insoles to surgery A difference in the length of the lower limbs, or anisomelia, is a common orthopedic condition. While minor discrepancies may go unnoticed, a more pronounced difference forces the body to adapt, leading to a chain reaction of changes capable of causing chronic pain, postural disorders, scoliosis, and premature joint wear. How does leg length discrepancy affect the body? Our body is a complex biomechanical system striving for s