Your forearm anatomy includes 20 muscles, ranging from the extensor carpi radialis longus to the abductor pollicis longus. One of the largest is the brachioradialis, which helps to bend your elbow.

De Quervain tenosynovitis is pain and swelling in the tendons around your thumb. Specifically, it affects the tendons of two muscles called abductor pollicis longus and extensor pollicis brevis ...

Surgical Technique. The operative technique used a portion of the abductor pollicis longus as a sling, with specific modifications similar to those described by Sigfusson and Lundborg. [] This is ...

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 ...

Abductor pollicis longus and opponens pollicis both insert on the trapezium, allowing for the thumb to move side to side and reach across the palm to touch other fingers.

In cases where the palmaris longus is absent, the surgeon may use one of several other tendons, including the extensor pollicis brevis tendon, the plantaris in the foot, a toe extensor, a small ...

De Quervain’s Disease is a painful tendinitis that develops at the base of the thumb at the wrist level. A Swiss surgeon, Fritz de Quervain, first described this problem in 1895. Numerous ...

Medically reviewed by Michael Menna, DO Medically reviewed by Michael Menna, DO Arm muscle anatomy refers to the location and function of the muscles of the arms. These muscles attach to the ...

Stenosing tendovaginitis is due to a thickening of the fibrous sheath that covers the tendons and the synovial sheaths of the abductor pollicis longus and the extensor pollicis brevis as they pass ...