“The hamstrings, calf muscles, and tendons cross the knee joint behind the knee ... torn ACL (anterior cruciate ligament) or MCL (medial collateral ligament). ACL tears are common with athletes ...

The medial meniscus is on the inside part ... Popliteal tendinitis is an inflammation of the tendon located behind the knee. It may be caused by overuse, running, jumping, and other activities ...

Some common knee injuries include: Ligament tears: The knee has several ligaments that stabilize the leg, including the ...