Clamshell

How to do it

1. Lie on your side with hips and knees bent about 45 degrees, feet stacked together, head resting on your lower arm.
2. Stack your hips vertically and keep your feet touching throughout.
3. Raise your top knee toward the ceiling without rolling your pelvis backward.
4. Pause briefly, feeling the contraction on the outside of your hip.
5. Lower the knee back down with control, then repeat on one side before switching.

Watch it performed (opens in a new tab)