How to do it: Stand facing away from the wall holding a slam ball out in front of you. Quickly, and with force, rotate 90° to one side toward the wall to slam the ball into it. Catch it on the rebound ...
And one day, all that wear and tear may catch up to you if you don’t show these major joints a little love and care early on. Take your knees, for example. They are the biggest joints you’ve got and ...