Pain behind knee
Pain at the back of the knee or pain behind the knee can is often caused by a baker’s cyst. The calf muscles can also cause pain in the back of the knee especially if injured and is more likely to be the gastrocnemius muscle. Pain behind the knee can also be caused from an injury such as a strain to the hamstring muscle group. The popliteal muscle can elicit behind knee pain when tight or injured due to it being the first unlocking mechanism of the knee.