Lie on belly. Legs together. Bring chin to floor. Slide right arm along floor with palm facing down. Bend right knee. Reach left hand back to hold onto the right heel or ankle (opposite hand to foot). Kick right foot into arm to lift right leg. Raise head and chest. Keep neck in line with the spine. Gaze straight ahead. Press down into right arm, or raise right arm (keep parallel to floor). Hold. To release: exhale and lower leg, arm, head, chest to floor. Repeat on other side.