You're willing to push yourself, even when it hurts. But do you know when to back off — and why? If not, it may be time to give your body a break.

The motivational phrase "No pain, no gain" is as tired as it is inaccurate. But that doesn't mean you shouldn't push yourself to new limits and higher workout highs.

You’re willing to push yourself, even when it hurts. You know how to tough it out, even when you’re tired. But do you know when to back off — and why? Here’s what all fitness buffs need to know about giving their bodies a break.