Crunch (legs on stability ball)
Expert Advice
Keep the ball stable by engaging your core and glutes throughout the movement.
How-to-do Steps
- Lie on your back with your calves resting on a stability ball.
- Place your hands behind your head or across your chest.
- Perform a crunch by lifting your shoulder blades off the floor.
- Lower back down with control.
- Repeat for the desired number of repetitions.
Details
Primary

Abs100%
Equipment
Stability ball

Exercise Type
Strength