How to do it
- On hands and knees, hands under your shoulders, knees under your hips, back flat.
- Slowly reach one arm forward and the opposite leg back, both about level.
- Keep your hips and shoulders level and your back still. Lower, and go again.
Do it on one side, then the other.
Common mistakes
Low back sags
Low back sagging as the leg goes high. Lift it only to hip height.
Hip rolls open
Hip rolling open. Keep both hips level, facing the floor.
Head lifts
Head lifting. Keep your neck long, eyes on the floor.
