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4 Cards in this Set
- Front
- Back
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Coracobrachialis
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Origin: Corocoid process of scapula
Insertion: Medial aspect of humerus Action: Flex shoulder Innervation: Musculocutaneous nerve |
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Biceps brachii
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Long head origin: supraglenoid tubercle
Short head origin: coracoid process of scapula Insertion: radial tuberosity Action: flex elbow and shoulder, supination Innervation: Musculocutaneous nerve |
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Brachialis
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Origin: lower 1/2 of anterior humerus
Insertion: ulnar tuberosity Innervation: musculocutaneous nerve Action: strongest elbow flexor |
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Triceps brachii
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Origin of long head: infraglenoid tubercle
Origin of lateral head: humerus, lateral and superior to radial groove Origin of medial head: medial and inferior to radial groove Insertion: Olecranon process of ulna Action: elbow extension; long head extends shoulder Innervation: radial nerve |
