Perform push-up. At top of movement, rotate body into side-plank position with one arm on ground and other extended toward ceiling
Slowly rotate back to top of push-up position
Perform push-up and repeat rotation to opposite side
Form Matters: “Do not allow your hips to dip when you rotate into the side position.
Keep your hips high and your whole body rigidespecially your coreso your body forms a straight line. Your ankles, knees, hips, lumbar spine and shoulders should all be in
the same plane.”
Why he does it: “This motion requires a tremendous amount of shoulder stabilization. Back to main article
When you get to the top of the rotation, the bottom shoulder is supporting and balancing a great deal of body weight, and your core has to work to keep your body rigid and in line.”