Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no ...

Ease yourself into better shape with this modified routine by exercise physiologist Chris Jordan, creator of the original 7-minute workout.

Everyone’s 7-minute workout should be customized to them. Do as many jumping jacks as you can in 30 seconds. Don’t stress if it’s fewer than someone else’s. “You’ll improve,” Jordan ...