According to experts, climbing stairs upstairs is equivalent to doing aerobic exercise, which can not only exercise cardiopulmonary function, but also exercise leg muscles, which can play a certain exercise effect  But when going down the stairs, the knee joint and ankle joint have to bear the weight of the whole body
if this action is repeated constantly, the activity of these joints will be increased artificially, the intensity of compression will increase sharply, and the possibility of joint wear and tear will increase, which is bad for the body
Heart patients should often climb the stairs