Muscles involved: Abdominal and abdominal external oblique muscles.
Execution: Sit down on your heels, place your hands behind your back, and push your hips forward and upward. Don’t overstrain your lower back.
The best kept secret in coaching
Execution: Sit down on your heels, place your hands behind your back, and push your hips forward and upward. Don’t overstrain your lower back.