Your wrist is made up of many small joints, and inflammation in these areas can be a sign of arthritis. This wrist and thumb brace supports the joint at the base of the thumb as well as the saddle joint between the thumb and the index finger, helping relieve pain from wrist sprains, carpal tunnel, and arthritis KEY FEA Fitness, Arthritis Pain, Shoulder Arthritis, Psoriatic Arthritis, Rheumatoid Arthritis Treatment, Arthritis Symptoms, Different Types Of Arthritis, Rheumatoid Arthritis Symptoms