Lie on the ground and get in a plank position.
2. Rotate your torso to the sides using your middle delts.
3. Pause for a moment at the top and slowly return to the stating position.
Lie on the ground and get in a plank position.
2. Rotate your torso to the sides using your middle delts.
3. Pause for a moment at the top and slowly return to the stating position.