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Origins Insertions And Actions Of Muscles

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xuhedebu's version from 2015-11-03 00:24

Origins Insertions And Actions of Muscles of the Shoulder

 

MuscleOriginInsertionAction
TrapeziusOccipital protuberance, Spinous process of C7-T12, superior nuchal line, ligamentum nuchae.Clavical, Acromium and Spine of the scapulaeElevates, depress, retract, adduct & rotate scapulae, elevate clavicle
Levator ScapulaeTransverse processes of C1-C4vertebral border of scapulaeElevates scapulae
Rhomboideus MajorSpinous Process of T2-T5Medial border of scapulaeRetracts & elevates scapulae
Rhomboideus MinorSpinous Processes of C7-T1. Lower part of ligamentum nuchaeMedial Border of scapulaRetracts and Elevates Scapulae
Serratus AnteriorLateral aspect of upper 9 ribsmedial border of scapulaprotracts shoulder
Pectoralis MajorAnterior aspect of ribs 3-5coracoid process of scapuladepresses/protracts shoulders
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