Seated Alternate Crunch

Instructions

1. Sit on the floor with knees bent and feet flat, leaning back slightly with hands behind your head.
2. Brace your core and rotate your right elbow toward your left knee while extending your right leg.
3. Return to center, then rotate your left elbow toward your right knee while extending your left leg.
4. Continue alternating sides in a controlled rhythm.
5. Keep your lower back from fully touching the floor to maintain tension throughout the set.