Tenosynovitis is the painful inflammation of the fluid-filled sheath (synovium) that surrounds a tendon. While it can happen in any tendon with a sheath, it most commonly affects the thumb and wrist—a condition known as De Quervain's Tenosynovitis, Immediate Relief (The "Calm Down" Phase):Relative Rest & Activity Modification,Bracing/Splinting,Ice Therapy,Mobility Exercises (Once Acute Pain Subsides):Thumb Lifts,Thumb-to-Pinky Opposition,Finkelstein Stretch,Gentle Strengthening:Stress Ball Squeeze,Wrist Rotations,Rubber Band Spring.
