Rotator Cuff Tear Treatment - Soak your shoulder with the Sinew Relaxing Soak to relax muscles and tendons that are in spasm, ease joint pain and stiffness, and improve range of motion. Herbal soaks are a form of hydrotherapy used for centuries in Chinese medicine. The Sinew Relaxing Soak is particularly useful if you feel restricted mobility in your shoulder. Learn more at SinewTherapeutics.com