- Set up in a PUSH UP stance, hands placed on the ground under your shoulders.
- Bring your knee up and across your body, aiming towards the elbow of your opposite side.
- Squeeze your obliques HARD.
- Switch sides on every rep.
- This looks like a cross between a PLANK and MOUNTAIN CLIMBERS. It has a mountain climber motion, but the slow speed of a plank.
Obliques, abs, lower back.