Posterior talofibular ligament and the Calcaneofibular ligament. Typically, an ankle sprain is a non-contact injury, as opposed to one that happens when two players come together in a collision.

This is a year-ending injury for football players, skiers and athletes as they recover from likely surgical reconstruction. However, have you ever heard of the posterior cruciate ligament injury?

Diagnosis and management of posterior and cruciate ligament tears has advanced over the past two decades due to important understanding of the natural history of injury and basic science principles.