What causes pain in the back of the thigh?

The pain in the back of the thigh may be caused by sedentary standing for a long time. The cause of trauma may also be caused by diseases such as lumbar disc herniation and femoral head necrosis. If the pain is obvious, you should go to the hospital for examination in time. The leg pain caused by lumbar disc herniation can be relieved by massage, acupuncture, traction, physical therapy, etc.