How to do it
- High plank, hands under your shoulders, belly braced.
- Drive one knee towards your chest, then switch legs quickly, both feet leaving the floor.
- Keep your hips level and your shoulders over your hands.
Common mistakes
Hips sag
Hips sagging. Brace your belly and keep your body in one line.
Hips too high
Hips too high. Lower them until your back is flat, shoulders over your hands.
Hands too far forward
Hands ahead of your shoulders. Stack your shoulders over your wrists.
