Don't let the sweet name fool you, this is a tough ab exercise. It works all four layers of the abdominal muscles, to create a flat belly and a sculpted abs. Lifting the feet toward the hands as you ...

Bored of regular ol' crunches? Add these simple yet effective exercises to your next ab-day routine and you're guaranteed to feel so sore, it'll hurt to laugh. Begin in a plank position. Jump your ...