How to do it
Exhale sharply as the knee meets the elbow to deepen the crunch.
- 1
Get into a side plank position on your left side, with your elbow under your shoulder and legs stacked.
- 2
Place your right hand behind your head.
- 3
Bring your right knee towards your right elbow while crunching your obliques.
- 4
Extend your leg and return to the side plank position.
- 5
Repeat for the desired number of repetitions before switching sides.
Expert tip
Perform the movement slowly and with control to maximize oblique engagement.
Common mistakes
- ✕Letting the bottom hip sag toward the floor
- ✕Pulling on the head with the top hand
- ✕Losing the stacked-feet position mid-crunch