Myology of the Elbow/Forearm Flashcards

Triceps brachii muscle
Terms Definitions
Biceps Brachii Short Head
Prox - apex of the coracoid process

Dist - bicipital tuberosity of radius

Act - Flex elbow/shoulder, Sup

Nerv - Musculotaneous n. (C5, C6)

Art - Brachial a.
Biceps Brachii Long Head
Prox - Supraglenoid tubercle

Dist - Bicipital tuberosity

Act - Flex elbow/shoulder, Sup

Nerv - Musculocuataneous n. (C5, C6)

Art - Brachial a.
Brachialis
Prox - Distal aspect of the anterior surface of the humerus

Dist - Coronoid process and tuberosity on the proximal ulna

Act - Flex

Nerv - Musculocuntaneous n. (C5, C6), radial n. (partial )

Art - Brachial a., radial recurrent a.
Brachioradialis
Prox - Upper 2/3 of the lateral supracondular ridge

Dist - Near styloid process of the distal radius

Act - Flex

Nerv - Radial n. (C5, C6)

Art - Radial recurrent a.
Pronator Teres
Prox - Humeral head-Medial epicondyle; ulnar head-medial to ulna tuberosity

Dist - Lateral surface on middle radius

Act - Pro, Flex

Nerv - Median n. (C6, C7)

Art - Ulnar a., radial a.
Triceps Brachii Long Head
Prox - Infraglenoid tubercle

Dist - Olecranon process

Act - Ext

Nerv - Radial n. (C6, C7, C8, T1) [middle two primary]

Art - Superior ulnar collateral a., profunda brachii a.
Triceps Brachii Medial Head
Prox. - Posterior humerus, inferior and medial to radial groove

Dist - Olecranon process

Act - Ext

Nerv - Radial n. (C6, C7, C8, T1) [middle two primary]

Art - Superior ulnar collateral a., profunda brachii a.
Triceps Brachii Lateral Head
Prox - Posterior humerous, superior and lateral to radial groove

Dist - Olecranon process

Act - Ext

Nerv - Radial n. (C6, C7, C8, T1) [middle two primary]

Art - Superior ulnar collateral a., profunda brachii a.
Anconeus
Prox - Posterior side of lateral epicondyle

Dist - Between olecranon process and proximal surface of posterior side of ulna

Act - Ext

Nerv - Radial n. (C7, C8)

Art - Profunda brachii a.
Supinator
Prox - lateral epicondyle, radial ligament, annular ligament, supinator crest

Dist - Lateral surface of proximal radius

Act - Sup

Nerv - Radial n. (C5, C6[primary])

Art - Radial recurrent a.
Pronator Quadratus
Prox - Anterior surface of distal ulna

Dist - Anterior surface of the distal radius

Act - Pro

Nerv - Median n. (C7, C8, T1) [last two primary]

Art - Radial a., anterior interosseous a.
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