Recovery from a strained knee: a. Rest more after a strained knee. If the knee is injured, it is recommended to take more rest and never to exercise strenuously again so as not to make the knee injured twice. Second, to carry out recovery exercise. After the human knee injury, it is recommended to carry out restorative exercise, so as to promote the blood circulation of the knee joint, which is conducive to the recovery of the knee. Three, leg lifting exercises. After the knee injury, you can do leg exercises, leg exercises, if there is pain, it is recommended to immediately stop the exercise. Fourth, squat against the wall. Want to let the injured knee recovery, you can do squatting exercises against the wall, so that the knee gradually restored to health.