While many of us think about stretching as something to do after a run or a strength-training session, lower-impact activities like walking can cause muscle stiffness or soreness, too. Even shorter ...

If your abs are sore after running, you’re likely working different muscles than you normally do. Other factors could include a strain, hernia, or dehydration.

If you’re someone who trains hard, you probably already know that recovery is just as crucial as the workout itself. But to get out the tight kinks and relieve sore muscles, there is a debate about ...