1. Lie on your side with your forearm on the ground under your shoulder and your feet in a split stance with the top leg forward.
2. Push your forearm away from your body and lift your hips into the air, supporting your weight on your forearm and feet.
3. Hold this position for the prescribed amount of time.
4. Switch sides and repeat.
Be sure to: Keep your body in a straight line and your stomach tight.
You should feel it: Working your shoulders and torso.