If you stretch and cool down postrun while your key running muscles ... Lie faceup and loop a strap or resistance band around right foot. Extend left leg straight out on the floor.

Runners often assume that “running builds strong legs,” but a better way to think ... want to start with lighter weights to get the form down, make sure to work up in weight.

I love a good leg day, but sometimes I just don’t have ... with 15 seconds of rest between each exercise. A short cool-down ...