The ACL can tear if the lower leg extends forward too much or as a result of twisting the lower leg, so it’s can occur when landing incorrectly, stopping or changing direction suddenly or during a collision such as rugby or football tackle. Click here to find out more about ACL tears.
The posterior cruciate ligament is typically injured when the knee is bent and the shin is suddenly forced backwards. The medial collateral ligament is more common in younger patients and often the result of the knee being forced inwards due to an accident. Injuries to the lateral collateral ligament are rarer and occur when the knee is forced outwards abnormally.