1. Start by standing up straight with your feet shoulder-width apart.
2. Place your hands behind your head, with elbows pointed outwards.
3. Shift your weight slightly to your left leg.
4. Lift your right knee across your body towards your left elbow while somewhat twisting your upper body to bring your left elbow down towards the raised knee.
5. Make sure to engage your core and obliques as you perform the crunch, trying to squeeze them together at the peak of the crunch.
6. Return to the starting position in a controlled manner.
7. Now, shift your weight slightly to your right leg.
8. Lift your left knee across your body towards your right elbow while twisting your upper body to bring your right elbow down towards the raised knee.
9. Again, focus on engaging your core and obliques during the movement.
10. Return to the starting position.
11. This completes one repetition.
12. Perform the desired number of repetitions and sets, alternating sides each time.
Make sure to keep your movements controlled and avoid any jerky motions to prevent injury. Keep breathing evenly throughout the exercise and keep your neck relaxed to avoid strain.
