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Beginner
- Difficulty
- Beginner
- Movement type
- Strength
- Primary muscles
- Abs
- Secondary muscles
- Obliques
- Equipment
- Bodyweight
Crunch (On Bosu Ball)
4 steps Updated 29/08/2026
Crunch (On Bosu Ball) is a bodyweight exercise targeting Abdominals (Rectus Abdominis).
Step by step
How to perform it
- Begin by sitting on a BOSU ball with your feet flat on the floor and your knees bent.
- Lean back to position your lower back against the BOSU ball, ensuring your upper body is supported. Place your hands behind your head with your elbows pointing out to the sides.
- Engage your core and lift your shoulder blades upwards, curling your upper body towards your knees.
- Lower your shoulder blades back down with control, maintaining your core engagement. 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 (On Bosu Ball)
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