请教一个问题,40多岁的男子(1.83m,90kg)经常knees 痛,已有几年了。He often joked that he would have a pair of new knees replaced. 每天上下班骑自行车,单程约12分钟左右,路程坡度较大。 1)还应骑自行车吗? 2)请推荐按摩穴位。 万分感谢!