Crunch (on Stability Ball, Arms Straight)
An exercise for the Waist - correct movement demonstrated with detailed steps.
● Step by step
- 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.
● Muscles worked
Abs (primary)Hip Flexors








