Thanks for the invitation, generally speaking, the knee joint is a weight-bearing joint, if there is degenerative knee joint disease, that is, the knee cartilage has been damaged, to minimize the excessive weight bearing of the knee joint, such as do not climb the mountain and go up and down the stairs, to reduce the body weight, you can participate in bicycling, swimming sports, but also to participate in meditation. This is not only exercise, but also does not aggravate the destruction of knee cartilage.

Life needs to improve the self, in their own capacity, any exercise exercise also has a limit, and more should be within the scope of the capacity of the appropriate exercise (including cross-legged meditation) are when suitable for their own physique different and adaptable.