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6 Cards in this Set
- Front
- Back
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trapezius-- origin
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medial third of superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous process of the 7th cervical and all thoracic vertebrae
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trapezius-- insertion
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lateral 3rd of clavicle, acromion process and spine of scapula
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trapezius-- action
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stabilizes, raises, retracts and rotates the scapula. the superior fibers elevate, the middle fibers retract, and the inferior fibers depress the scapula. together the upper and lower fibers rotate the arm
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trapezius-- innervation
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spinoaccessory (C11) and ventral rami of C3, C4
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latissimus dorsi-- origin
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indirect attachment through lumbodorsal fascia into spinous process of lower 6 thoracic and lumbar vertebrae, lower 3 to 4 ribs, and iliac crest
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latissimus dorsi-- insertion
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in floor of intertubercular groove of humerus
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