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3 lis 2023 · Extensor digitorum is a long muscle located in the posterior compartment of the forearm. Together with the extensor carpi ulnaris and extensor digiti minimi, extensor carpi radialis longus and brevis as well as the brachioradialis, it belongs to the group of superficial extensors of the forearm.
- Brachioradialis
Along with extensor carpi radialis brevis and extensor carpi...
- Extensor Retinaculum
Carpal tendinous sheaths Author: Shahab Shahid, MBBS •...
- Interossei Muscles
1st dorsal interosseous muscle: this muscle is the largest...
- Extensor Digiti Minimi
Function. Extensor digiti minimi functions primarily to...
- Superficial Extensors
The brachioradialis is a long, fusiform muscle and the most...
- Extensor Carpi Ulnaris
Extensor carpi ulnaris is a fusiform muscle in the posterior...
- Flexor Digitorum Superficialis
Flexor digitorum superficialis (Musculus flexor digitorum...
- Abductor Pollicis Longus
Abductor pollicis longus originates from the posterior...
- Brachioradialis
The extensor digitorum muscle (also known as extensor digitorum communis) [2] is a muscle of the posterior forearm present in humans and other animals. It extends the medial four digits of the hand. Extensor digitorum is innervated by the posterior interosseous nerve, which is a branch of the radial nerve. [3]
5 maj 2023 · What is the extensor digitorum communis muscle, where is it located. Learn its anatomy, tendon attachments, nerve, blood supply, & functions in the forearm & hand.
5 paź 2022 · The extensor digitorum is a muscle within the superficial compartment of the posterior forearm. The tendons of the extensor digitorum pass through the 4th extensor compartment at the wrist. Attachments: Originates from the lateral epicondyle of the humerus.
Antagonist: Flexor digitorum superficialis muscle, Flexor digitorum profundus muscle. Description: The Extensor digitorum arises from the lateral epicondyle of the humerus, by the common tendon; from the intermuscular septa between it and the adjacent muscles, and from the antibrachial fascia.
The extensor tendon mechanism works by pulling the extensor tendons (black arrows) towards the forearm, which causes the fingers to extend at the MCP joint. The central slip is particularly important for extending the PIP joint, while the lateral bands are more important for extending the DIP joint.
The extensor mechanism of the hand is a finely balanced, complex network that brings together the extrinsic and intrinsic muscles of the finger and a system of retaining ligaments to produce movement of the digit.
