💪 What Is Shoulder Arthritis? 💪 Shoulder arthritis happens when the cartilage that cushions the shoulder joint breaks down, causing pain, stiffness, and reduced range of motion. Over time, this degeneration leads to bone-on-bone contact, inflammation, and discomfort. Shoulder arthritis can make daily activities like lifting, reaching, or carrying objects difficult. Early diagnosis and treatment, such as physical therapy or anti-inflammatory medications, can help manage symptoms and maintain jo