Sit with legs crossed and back straight. Extend both arms out to the sides at shoulder height and slightly behind your body, and make “thumbs up” signs with hands. On inhale, roll thumbs forward toward the floor without lowering arms. Exhale and point thumbs straight up. Inahle again, pointing thumbs away and behind you. Exhale and point thumbs straight up. That’s 1 rep. Do 8 reps.