Extensor Pollicis Longus

Extensor Pollicis Longus The structure indicated is the extensor pollicis longus muscle of the posterior forearm. The extensor pollicis longus muscle is one of the muscles located in the deep layer of muscles in the posterior compartment of the forearm. There are 5 muscles in the deep layer of the posterior forearm: Supinator Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Extensor indicis The tendon of the extensor pollicis longus forms the medial border of the anatomical snuffbox. The anatomical snuff box is an anatomical triangle located on the dorsal surface of the hand, it consists of the following …

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