Human Anatomy

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 lateral epicondyle of the humerus....

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Supinator: Origin, Insertion, Nerve Supply & Action

Supinator muscle

Supinator: The supinator muscle lies on the floor of the cubital fossa. It has two heads, which the deep branch of the radial nerve passes between. Origin: It has two heads of origin. One originates from the lateral epicondyle of the...

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Brachioradialis: Origin, Insertion, Nerve Supply & Action


Brachioradialis: The brachioradialis is a paradoxical muscle. Its origin and innervation are characteristic of an extensor muscle, but it is actually a flexor at the elbow joint. The brachioradialis muscle is most visible when the forearm is half pronated, and...

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Forearm Muscles: Origin, Insertion, Nerve Supply & Action

Forearm Muscles

Forearm Muscles: Forearm muscles are divided into two compartment- Anterior compartment Posterior compartment Anterior compartment of Forearm muscles Anterior compartment is split into three categories- Superficial Intermediate Deep Anterior Superficial Compartment muscle- Flexor Carpi Ulnaris Flexor Carpi Radialis Palmaris Longus...

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Serratus Anterior: Origin, Insertion, Nerve Supply & Action

serratus anterior muscle

Serratus Anterior: The Serratus Anterior muscle is utilized in activities which draw the scapula forwards. It is utilized vigorously in push-ups and bench presses. Winged scapula is a designator having a weak Serratus Anterior muscle. Attachment of Serratus Anterior Origin: Upper...

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