De Quervain’s Tenosynovitis – Physiopedia

De Quervain’s Tenosynovitis is a painful inflammation of tendons on the side of the wrist at the base of the thumb. These tendons include the extensor pollicis brevis (EPB) and the abductor pollicis longus (APL). These muscles are located on the dorsal side of the forearm and go to the lateral side of the thumb through a fibrous-osseous tunnel made of the processus styloideus radii and the …

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