A personal trainer shares a three-move bodyweight workout you can do without weights to strengthen your abs and arms.

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard part of mainstream bodyweight workouts. It's a top-shelf ab move that can ...

This no-movement exercise is one of the most reliable ways to measure core endurance, posture control, and spinal ...

This is a challenging calisthenics/run workout with active rest in the form of pushups. Do this as a fast 100-meter run (near ...