俗话说“人老腿先老”。中老年朋友若掌握一些合理的膝关节的按摩和功能锻炼方法,既能锻炼身体,又可以达到保护膝关节的目的。1.坐位伸膝坐在椅子上,将双足平放在地上,然后逐渐将左(右)膝伸直,并保直腿姿势5～10秒钟,再慢慢放下。双腿交替进行,重复练习10～20次。 As the saying goes “people old legs first old.” If the elderly friends to master some reasonable knee massage and functional exercise methods, both exercise, but also can achieve the purpose of protecting the knee. 1. sitting knee sitting on a chair, feet flat on the ground, and then gradually left (right) knee straight, and straight leg posture for 5 to 10 seconds, and then slowly down. Alternate legs, repeated practice 10 to 20 times.