Posture: Lie on belly with chin on mat. Put arms underneath body, palms on floor. Raise right leg as high as you can, behind you. Hold for 10 counts. Return to starting position and switch legs. Return to starting position and raise both legs and hips off floor as high as you can (as shown) and hold for 10 counts. Lower legs and rest on stomach. 20 seconds, face to one side. Repeat all three positions.