Explanations and Causes:
The meniscus of the knee is a flat bi-lobed disc of cartilage that sits between the femur of the upper leg and the bones of the lower leg. Its function is to lubricate the movement, absorb the shock or compression, and limit over flexion or bending of the knee. [...]

ACL stands for anterior cruciate ligament while PCL stands for posterior cruciate ligament. These two ligaments form basis of the stability in the knee.

Explanation and Causes:
MCL stands for medial collateral ligament while LCL stands for lateral collateral ligament. The LCL is on the outside of the knee protecting the knee from being pushed outward while the MCL is on the inside protecting the knee from being pushed inward. Injury to either of these two [...]