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27 maj 2019 · The muscles of the posterior compartment of the forearm produce wrist and/or finger extension and thumb abduction. They are located posterior to the interosseous membrane and are arranged as twelve muscles in two layers (superficial and deep).
30 paź 2023 · The superficial posterior forearm muscles act together to produce movements of the forearm, hand and fingers. More specifically, these muscles produce: Flexion of the forearm at the elbow joint. Extension, adduction and abduction of the hand at the wrist joint. Extension of the digits 2-5.
2 lis 2023 · The deep posterior forearm muscles are a group of five muscles located in the deep layer of the posterior compartment of the forearm. These muscles include the supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus and extensor indicis.
The forearm muscles are divided into two compartments based on location and action: the anterior or flexor compartment and the posterior or extensor compartment. There are a total of 19 muscles in the forearm that help move not only the elbow and wrist joints but also the joints in the hand and fingers.
4 cze 2024 · The posterior compartment of the forearm contains the muscles that lie at the posterior aspect of the forearm. There are 11 muscles in the posterior compartment, also called the extensor compartment. Forearm Extensors with Names, Anatomy, & Functions.
The posterior compartment of the forearm (or extensor compartment) contains twelve muscles which primarily extend the wrist and digits. [2] It is separated from the anterior compartment by the interosseous membrane between the radius and ulna.
28 lis 2023 · Muscles. Just like the arm, the forearm is divided into two compartments by deep fascia; the interosseous membrane, and the fibrous intermuscular septa. This creates an anterior compartment that contains the flexor muscles, and a posterior one that contains the extensor muscles.
