Thigh pain that occurs after exercise may be caused by lactic acid accumulation in the body due to excessive exercise, or excessive weight pressure on the legs, causing local muscle soreness.
Generally can be relieved after rest, you can use hot water fumigation at home by yourself to accelerate the excretion of lactic acid. It is not necessary to seek medical attention. If the pain lasts for a long time and a sports injury is suspected, prompt medical attention is required.