HOW: Begin with your elbow and forearm supported on an elevated surface. Get set-up in a side plank position with your legs straight and feet stacked. Lift your pelvis and hips up as high as you can and hold this position. When you are elevated your feet, hip and shoulder should all be in one line. You should feel strong through your shoulder and shoulder blade, do not let your shoulder sag.
FEEL: You should feel the side towards the floor working, from your outer hips to outer core and shoulder that is against the floor.
COMPENSATION: Avoid sagging your pelvis, hips, or shoulder as you side bridge up into this position.