Exercises / Waist / Crunch (On Stability Ball, Arms Straight)
Crunch (On Stability Ball, Arms Straight)
Crunch (On Stability Ball, Arms Straight): step-by-step technique, the muscles it works and a demo clip. Equipment: exercise ball.
- Equipmentexercise ball
- Body partwaist
- Primary muscles
- abs, hip flexors
- Secondary muscles
- —
How to do it
- Sit on the stability ball with your feet flat on the ground and your knees bent at a 90-degree angle.
- Lie back on the ball until your lower back is supported and your upper body is parallel to the floor.
- Place your hands behind your head or cross them over your chest.
- Engage your abs and lift your upper body off the ball, curling your shoulders towards your hips.
- Pause for a moment at the top, then slowly lower your upper body back down to the starting position.
- Repeat for the desired number of repetitions.