上了岁数以后,很多老年朋友都有膝盖酸痛的症状。这里推荐一个十分简单的做法,每天只需3分钟,坚持一段时间,膝盖酸痛的症状就有明显改善。具体做法是:在家中相对宽敞的空间,穿上宽松的衣物,脱掉鞋子,仰卧在地板上,两手自然地放在身体左右两侧。一条腿膝盖弯曲,使大腿与小腿的角度小于直角,另一条腿伸直,将伸直的腿向上抬,离地面大约 After getting old, many elderly friends have symptoms of knee pain. Here is a very simple approach recommended, only 3 minutes a day, insisted for some time, knee pain symptoms have significantly improved. The specific approach is: Relatively spacious space at home, put on loose clothing, take off your shoes, sit on the floor, hands naturally on both sides of the body. One leg knees bent so that the thigh and leg angle is less than a right angle, the other leg straight, lift the straight leg up, about the ground