At home, you can take the following methods to exercise the leg muscles: 1, take the squat type of exercise, for example, the patient can take both lower limbs upright, legs apart and shoulder width, and then slowly squat, try to make the buttocks touch the heel, and then slowly stand up. In the process of standing up, the patient can also pad the heel to strengthen the exercise of the calves. 2, take the way to tie sandbags on the calves for exercise, such as patients in the bilateral calves tied to the appropriate weight of sandbags, after walking in the house or normal life, which can also inadvertently play the exercise of the leg muscles. 3, take the high lift leg type of exercise, such as the patient can not move in place to practice high The patient can practice high leg raising, repeatedly lifting both sides, which can also exercise the leg muscles. This exercise is not suitable for all patients, but only for patients without previous knee related diseases. This type of exercise can effectively improve the muscle strength of the lower extremities, as well as the ability to tolerate hypoxia.