Add Yahoo as a preferred source to see more of our stories on Google. We know how to protect ourselves from bigger injuries — wearing a helmet while biking, holding the railing while walking down the ...

An icon in the shape of a lightning bolt. Impact Link A pulled muscle — also known as a muscle strain — occurs when a muscle stretches too much, which causes the muscle fibers or tendons to tear.

Muscle cramps are painful, visible contractions of a muscle or part of a muscle. Many people experience muscle cramps in the calf. In most cases, the cramp can last for a few seconds to a few minutes ...

Had he pulled that muscle again? He hobbled to the crib and changed the 6-month-old’s diaper, then eased his way back to the ...