A powerful, time-efficient workout designed to strengthen your core, improve posture, and carve defined abs at any fitness level.

Grab some light dumbbells and try this trainer's 30-minute Pilates workout to strengthen your core and build real strength.

Draw your belly button inward as you breathe into your ribs. Make sure to not over-engage your glutes or hold your breath.

Crunches are perhaps the most well-known core exercise, but arguably not always the most effective—they’re also not suitable for everyone, particularly beginners. Rachel MacPherson, a personal trainer ...

Crunches are one of the most familiar core-strengthening exercises – simple and easy to do anywhere. The bodyweight move is excellent for improving posture and supports overall functional fitness, ...