Flexor-Digitorum-Superficialis

Flexor Digitorum Superficialis: Origin, Insertion, Nerve Supply & Action

Flexor Digitorum Superficialis: The flexor digitorum superficialis muscle is the only muscle of the intermediate compartment. It can sometimes be classed as a superficial layer muscle, but in most cadavers, it lies between the deep and superficial[...]

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Extensor Carpi Ulnaris

Extensor Carpi Ulnaris: Origin, Insertion, Nerve Supply & Action

Extensor Carpi Ulnaris The extensor carpi ulnaris muscle is located on the medial aspect of the posterior forearm. Due to its position, it is able to produce adduction as well as the extension of the wrist. Origin:[...]

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Shoulder Joint bones

Shoulder Joint:Anatomy,Movement & Muscle involvement

Shoulder Joint: The shoulder is made up of three bones- the clavicle, the scapula, and the humerus as well as associated muscles, ligaments, and tendons. The articulations between the bones make up the shoulder joints.[...]

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Extensor Digiti Minimi

Extensor Digiti Minimi: Origin, Insertion, Nerve Supply & Action

Extensor Digiti Minimi: The extensor digiti minimi muscle is thought to originate from the extensor digitorum muscle. In some people, these two muscles are fused together. Anatomically, the extensor digiti minimi muscle lies medially to the extensor[...]

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Extensor Pollicis Brevis

Extensor Pollicis Brevis: Origin, Insertion, Nerve Supply & Action

Extensor Pollicis Brevis:The extensor pollicis brevis muscle can be found medially and deep to the abductor pollicis longus muscle. In the hand, its tendon contributes to the lateral border of the anatomical snuffbox.Origin: Originates from the posterior surface[...]

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Extensor Digitorum

Extensor Digitorum: Origin, Insertion, Nerve Supply & Action

Extensor Digitorum: The extensor digitorum muscle is the main extensor of the fingers. To test the function of the muscle, the forearm is pronated, and the fingers extended against resistance.Origin: Originates from the lateral epicondyle. The tendon[...]

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Extensor Indicis

Extensor Indicis: Origin, Insertion, Nerve Supply & Action

Extensor Indicis : The extensor indicis muscle allows the index finger to be independent of the other fingers during extension.Origin: Originates from the posterior surface of the ulna and interosseous membrane, distal to the extensor pollicis[...]

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Abductor Pollicis Longus

Abductor Pollicis Longus: Origin, Insertion, Nerve Supply & Action

Abductor Pollicis Longus: The abductor pollicis longus muscle is situated immediately distal to the supinator muscle. In the hand, its tendon contributes to the lateral border of the anatomical snuffbox.Origin: Originates from the interosseous membrane and the adjacent[...]

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Extensor Carpi Radialis Longus and Brevis

Extensor Carpi Radialis Longus and Brevis: Origin, Insertion, Nerve Supply & Action

Extensor Carpi Radialis Longus and Brevis: The extensor carpi radialis muscles are situated on the lateral aspect of the posterior forearm. Due to their position, they are able to produce abduction as well as the extension[...]

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anconeus

Anconeus: Origin, Insertion, Nerve Supply & Action

Anconeus: The anconeus muscle is situated medially and superiorly in the extensor compartment of the forearm. It is blended with the fibers of the triceps brachii, and the two muscles can be indistinguishable.Origin: Originates from the[...]

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