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.
Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.