Understanding Rotator Cuff Injuries
Medical Review: Dr. Gerald Mastaw, MD – Board-Certified PhysicianLast Updated: October 2025 What Is a Rotator Cuff Injury? Your rotator cuff is a group of four muscles and tendons that stabilize your shoulder and allow you to lift, reach, and rotate your arm.Because it’s constantly in use and subject to wear, this structure is especially…