Clasp your hands behind your back with your palms facing up. Pull your hands down and press your shoulder blades together. Your chest should stick out. Hold for 10-20 seconds. You should feel the stretch in your upper arms and chest.
Update Date 8/17/2014
Updated by: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.