Weighted Crunch (Version 2)

Instructions

1. Lie on your back with knees bent, feet flat, and hold a weight plate or dumbbell against your chest or behind your head.
2. Brace your core and crunch your upper back off the floor.
3. Pause at the top, squeezing your abdominals.
4. Lower back down with control, stopping just before your shoulders touch.
5. Repeat for the desired reps.