As you age—even if you lead an active lifestyle—mobility typically declines. This is caused by the natural stiffening of joint capsules and tendons, along with shifts in muscle, cartilage, collagen, ...

Natividad uses a straight-leg raise to test hamstring and calf while checking to see if the pelvis is stable. "If you're tight, tight doesn't get loose by doing things you think you should do.

The Astros will be without All-Star third baseman Isaac Paredes for a while after he suffered what manager Joe Espada on Tuesday called a “pretty significant injury” to his right hamstring, suffered ...