For the thigh area has a piece of meat paroxysmal pain, mostly due to muscle spasm, or muscle damage caused by. First, in the thigh area for a long time when the force activity, it is easy to lead to excessive force muscle, spasm, edema, which will cause muscle cramps, thus causing a burst of pain. Second, see in the thigh muscle strain after, will lead to muscle bruising, swelling and pain, and this situation will also appear in the thigh part of the muscle paroxysmal pain appears. So it is mainly seen in patients with paroxysmal muscle pain in the thigh area, mainly due to muscle strain or injury.