The abductor pollicis longus muscle is one of three muscles in the forearm that facilitate the movements of the thumb. The others are the extensor pollicis brevis and extensor pollicis longus. These ...
De Quervain's disease, a form of stenosing tenosynovitis, predominantly affects the tendons within the first dorsal compartment of the wrist, namely the abductor pollicis longus and extensor pollicis ...