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Musculoskeletal Card

Deltoid Actions All Fibers - Abduct the shoulder Anterior Fibers - Flex, medially rotate, and horizontally adduct the shoulder Posterior Fibers - Extend, laterally rotate, and horizontally abduct the shoulder
Deltoid Origin Insertion and Nerve O: Lateral one-third of clavicle, acromion and spine of scaple I: Deltoid Tuberosity N: Axillary C5,6
Trapezius Actions Upper Fibers - Bilaterally extend head laterally flex the head to same side rotate the head to opposite side. Elevate the scapula upwardly rotate the scapula Middle Fibers - Adduct and stabalize the scapula Lower Fibers - Depress and upward rotate scap
Trapezius Origin Insertion and Nerve O: External Occipital Protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae and spinous processes of c7-t12 I: Lateral one-third of clavicle, acromion and spine of scapula N : cranial nerve XI and ventral ramus C234
Created by: theloveofacrow



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