Crunch (on bosu ball)
Expert Advice
Keep your movements controlled and focus on using your abs to lift your upper body, rather than relying on momentum.
How-to-do Steps
- Sit on the bosu ball with your feet flat on the ground.
- Lie back so that the lower part of your back is centered on the top of the bosu ball.
- Place your hands lightly behind your head or across your chest.
- Contract your abs to lift your upper body towards your knees, keeping your lower back pressed against the bosu ball.
- Slowly lower back down to the starting position.
- Repeat for the desired number of repetitions.
Details
Primary

Abs100%
Equipment
Bosu ball

Exercise Type
Strength