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Arm Muscles part II

Origins, Insertions, Actions, Innervations of elbow flexors and extenders

Triceps Brachii (3 Heads) - Origin: Long: Infraglenoid tubercle of humerus Lateral: Posterior surface of radius, above and lateral to Radial Groove Medial: Posterior surface of radius, below and medial to Radial Groove
Triceps Brachii - Insertion Posterior Surface of Olecranon Process of Ulna
Triceps Brachii - Action Extends elbow joint, (long head) also assist in extending arm at shoulder joint.
Triceps Brachii - Nerve Radial Nerve
Created by: frisbeecrazed