A personal trainer outlines how to perform six of his best full-body, no-equipment workouts to lose belly fat.

Plank passthrough, plank drag — whatever you call it, this core exercise engages muscles from head to toe as you maintain a plank while dragging a weight from side to side. It tests core strength, ...

The BOSU Ball, a secret piece of exercise equipment used by a medal-winning Olympian. It sounds high-end and expensive, it’s ...