Balance Trainer Crunch
10 reps
Crunch up off the dome, curling ribs toward your hips.
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ABS
Balance Trainer Crunch
A crunch done draped over a balance trainer dome, which lets you extend further back and adds instability at the base. The extra stretch and wobble sharpen the demand on your abs versus a flat-floor crunch.
How to do it
- 1
Sit on the edge of the balance trainer, dome up, with knees bent and feet planted.
- 2
Lie back over the dome so your torso extends into a slight stretch.
- 3
Fold your arms across your chest.
- 4
Contract your abs to curl your lower ribs toward your belly button, lifting your torso off the dome without jutting your head forward.
- 5
Lower back down slowly, keeping tension in your abs.