This article originally appeared on USA TODAY: What causes muscle spasms? Why people get them and how to make them go away A muscle spasm, also known as a cramp, twitch or charley horse ...

or how far you can move your muscles or joints in the directions they’re supposed to go. For instance, the more time you spend hunched over screens, the less flexibility you might have in the ...

Thanks to muscle memory, muscles quickly recover their size and strength once you return to your routine. For regular exercisers, experts say it usually takes about half the length of the break to ...