Treating Trigger Points - Thenar Eminence   Pain from trigger points referred to the wrist and the base of the thumb in the web space and is often wrongly diagnosed as O/A thumb Osteoarthritis can develop at any age but usually appears after age 45. The symptoms of OA thumb often include pain and stiffness brought on by active trigger points. The “saddle joint” at the base of the thumb between the metacarpal and trapezium bones, often becomes arthritic with age. This is osteoarthritis - loss of the smooth cartilage surface covering the ends of the bones in the joints. The cartilage...