Overhead oblique twists
Area trained:
Sides of waist
How to do:
- Start by lying on your side on a Swiss ball with your feet resting against the wall, hands clasped together over your head.
- While keeping your body side on, crunch up.
- Lower back down and repeat.
Beginner: 3 x 10 reps each side
Intermediate: 4 x 10 reps each side
Advanced: 5 x 10 reps each side
