1. Lie on your back with your legs extended upwards so that they are perpendicular to the floor. Place your hands behind your head, elbows flared out, without pulling on your neck.
2. Engage your core and lift your head, neck, and shoulder blades off the ground. This is your starting position.
3. Exhale and crunch your upper body diagonally toward your left leg while reaching with your right hand toward your left ankle. Your right shoulder should come off the floor as you perform the movement.
4. Inhale as you slowly lower back to your starting position.
5. Repeat the movement, this time reaching with your left hand toward your right ankle, aiming to tap it.
6. Continue alternating sides for the desired number of reps, performing the movement in a controlled manner.
Remember to keep the movements controlled, focusing on contracting the abdominal muscles as you reach for the opposite ankle. Avoid using momentum or letting your lower back arch off the floor.
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