pectoralis-minor

Pectoralis Minor: Origin, Insertion, Nerve Supply & Action

The pectoralis minor muscle is a thin, triangular muscle, situated at the upper part of the chest and beneath the pectoralis major in the human body.The Pectoralis Minor is the smallest muscle of the two[...]

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Extensor Pollicis Longus

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

Extensor Pollicis Longus The extensor pollicis longus muscle has a larger muscle belly than the EPB. Its tendon travels medially to the dorsal tubercle at the wrist, using the tubercle as a ‘pulley’ to increase the[...]

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Flexor Pollicis Longus

Pronator Quadratus: Origin, Insertion, Nerve Supply & Action

Pronator Quadratus: A square shaped muscle found deep to the tendons of the FDP and FPL. Origin: Originates from the anterior surface of the ulna. Insertion: Attaches to the anterior surface of the radius. Function:[...]

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Flexor Pollicis Longus

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

Flexor Pollicis Longus This muscle lies laterally to the FDP. Origin: Originates from the anterior surface of the radius, and surrounding interosseous membrane. Insertion: Attaches to the base of the distal phalanx of the thumb.[...]

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Flexor Digitorum Profundus

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

Flexor Digitorum Profundus Origin: Originates from the ulna and associated interosseous membrane. At the wrist, it splits into four tendons, that pass through the carpal tunnel. Insertion: Attach to the distal phalanges of the four[...]

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Sensory Supply of the Median Nerve

Median Nerve:Course & Innervation

Median Nerve: The median nerve originates from lateral and medial cords of the brachial plexus Lateral root arises from the anterior divisions of superior and middle trunks, has contributions from ventral roots of C5-C7 Medial[...]

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Radial Nerve Common Injuries

Radial Nerve:Course,Motor,Sensory & Common Injuries

Radial Nerve: The radial nerve is a major peripheral nerve of the upper limb.It originates from the brachial plexus, carrying fibers from the ventral roots of spinal nerves C5, C6, C7, C8 & T1.

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Flexor Carpi Ulnaris muscle

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

Flexor Carpi Ulnaris Origin:  Originates from the medial epicondyle with the other superficial flexors. It also has a long origin from the ulna. It passes into the wrist. Insertion: Attaches to the pisiform carpal bone.[...]

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Palmaris Longus

Palmaris Longus:Origin, Insertion, Nerve Supply & Action

Palmaris Longus Origin:  Originates from the medial epicondyle. Insertion: Attaches to the flexor retinaculum of the wrist. Function: Flexion at the wrist. Nerve supply: Median nerve

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pronator teres muscle

Pronator Teres: Origin, Insertion, Nerve Supply & Action

Pronator Teres The lateral border of the pronator teres muscle forms the medial border of the cubital fossa, an anatomical triangle located over the elbow. Origin: It has two origins, one from the medial epicondyle, and[...]

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