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origin is supraspinatus fossa of scapula and insertion is greater tubercle of humerus. helps prevent downward dislocation of humerus
powerful flexor of forearm; origin is glenoid process and coracoid process of scapula, insertion is radial tuberosity
extensor carpi radialis
abducts wrist and flexes hand at wrist, origin is medial epicondyle of humerus, insertion is base of 2 and 3 metacarpals
abducts and laterally rotates femur, origin is iliac crest, insertion is proximal tibia/patella
rotates face to opposite side, laterally flexes head to same side, origin is manubrium of sternum, insertion is mastoid process of temporal bone
origins are occipital bone and spines of cervical/thoracic vertebrae. insertions are clavicle and spine/acromion process of scapula. elevates scapula, carries tension
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