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Beginner
- Difficulty
- Beginner
- Movement type
- Strength
- Primary muscles
- Abs
- Secondary muscles
- Obliques
- Equipment
- Bodyweight
Crunch (Legs on Stability Ball)
4 steps Updated 29/08/2026
Crunch (Legs on Stability Ball) is a bodyweight exercise targeting Abdominals (Rectus Abdominis).
Step by step
How to perform it
- Begin by lying flat on your back with your knees bent at a 90-degree angle and your lower legs resting on a stability ball.
- Place your hands behind your head with your elbows pointing out to the sides.
- Lift your shoulder blades off the floor, curling your upper body towards your knees while keeping your legs stable on the ball.
- Lower your shoulder blades back to the floor with control, maintaining your legs' position on the ball. Repeat the movement for the desired number of repetitions.
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Variations and related exercises
3-4 Sit-Up
45 Degree Bicycle Twist Knee to Elbow
45 Degree Bicycle Twisting
45 Degree Bicycle Twisting Crunch
Last updated: 29/08/2026
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Crunch (Legs on Stability Ball)
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