Oblique Crunch (Version 2)

Instructions

1. Lie on your back with knees bent, feet flat, and one hand behind your head; extend the other arm to the side.
2. Crunch diagonally, bringing your elbow toward the opposite knee while lifting your shoulder blade off the floor.
3. Pause at peak contraction, then lower with control.
4. Complete all reps on one side before switching.
5. Keep your lower back in contact with the floor throughout.