"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Though well-versed in the benefits of reformer Pilates – increased mobility, a tightened core and deeper ...

The side-lying double leg lift may look simple, but it targets your deep core, obliques, and hips with controlled movements.

As a runner, my workout of choice isn’t an exercise class. In truth, all I ever really want to do is throw on a pair of sneakers and my beloved Garmin and head out the door for a long run. There’s one ...