Upper Appendage Muscles Flashcards
Deltoid
Origin - Clavicle (Anterior), Acromion Process (Lateral), Scapular Spine (Posterior)
Insertion - Deltoid Tuberosity
Action - Circumduction
Triceps Brachii
Origin - Long head: Infraglenoid tubercle Medial Head: Posterior Surface of Humerus Lateral Head: Lateral Posterior surface of humerus
Insertion - Olecranon Process
Action - Extension of elbow
Biceps Brachii
Origin - Long Head: Supraglenoid Tubercle Short Head: Coracoid Process
Insertion - Radial Tuberosity
Action - Flexion of the foremarm
Brachialis
Origin - Anterior Surface of the Humerus
Insertion - Ulnar Tuberosity, Coranoid Process
Action - Flexion of the foremarm
Brachioradialis
Origin - Supracondylar ridge of the humerus
Insertion - Radial Styloid Process
Action - Flexion of the foremarm