What causes pain in the back of the leg behind the knee?
What causes pain in the back of the leg behind the knee? Some of the most common causes of pain behind the knee (posterior knee pain) include, Baker's cyst, arthritis, infection, injury, tumor, or deep vein thrombosis. Since the knee is the largest and most complex joint in the body, it makes sense that it might hurt sometimes. Why do I keep getting cramp behind my knee? Cramps occur when muscles become too tight. This tightness may be because the muscle is doing too much work without being stretched. If it is stretched and still cramps, the muscle may simply...