In: Anatomy and Physiology
Please complete entire table
Muscles of the trunk (posterior):
Muscle |
Origin/Insertion |
Primary Action |
Trapezius |
O: occipital bone and spinous processes of all thoracic vertebrae I: clavicle and scapula |
Extends neck |
Deltoid |
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Latissimus dorsi |
Muscles of the arm and forearm:
Muscle |
Origin/Insertion |
Primary Action |
Biceps brachii |
O: scapula I: radius |
Flexion at elbow |
Brachialis |
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Brachioradialis |
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Triceps brachii |
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Flexor carpi ulnaris |
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Extensor carpi ulnaris |
Muscle | Origin | Insertion | Primary action |
Deltoid |
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Latissimus dorsi |
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Brachialis |
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Brachioradialis |
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Tricep Brachi |
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Flexor carpi ulnaris |
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Extensor carpi ulnaris |
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