Use the bear plank pull-through for a strong core.

Grab a dumbbell and give this 10-minute workout a try ...

When we think of core exercises, standard moves like situps and crunches are often a go-to. But working the side body is an important piece of a well-rounded core routine that is sometimes overlooked.

A certified trainer shares 4 bed exercises that rebuild deep core stability and improve posture after 60 without joint strain ...