Inversion: Turning the sole of the foot inward or medially, toward the midline of the body. This occurs, for example, when you are standing on the outer edge of your foot. When an ankle sprain occurs as a result of forcible movement in this direction, it is called an inversion sprain or lateral ankle sprain.
The lateral ligaments of the ankle are injured in inversion sprains usually occuring from the front to back (anteriorly to posteriorly) as plantar flexion accompanies the movement. The anterior talofibular ligament (ATF) is typically injured first followed by the calcaneofibular and posterior talofibular ligaments, depending on the severity of the injury. The peroneal muscles, which are located on lateral lower leg and produce eversion of the foot, may also be damaged.
This page created 11 Oct 2011 19:01
Last updated 01 Mar 2016 22:05