of the arm (brachii). When a muscle is overused—whether by too much repetitive movement or too much force or resistance—it’s prone to straining. A muscle strain is a pulled muscle. Muscles are made up ...

Dealing with what he said was a torn muscle, Djokovic lost the opening set 7-6 (5) when he put a forehand volley into the net, then began shaking his head and immediately walked over to tell ...