HOW: Begin by lying on your side with your knees together and up towards your chest just below hip level. Place the hand closer to the ground on top of the knee. Bring your other hand behind your head. Drive that elbow back and rotate towards the ground. Your chest should rotate up towards the ceiling while keeping your other hand on your knees.
FEEL: You should feel a stretch in your mid back.
COMPENSATION: Keep your knees together and on the ground, don’t move them.