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pedapudi
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ORIGIN OF TRAPEZIUS
external occipital protuberance, medial 1/3 of nuchal line, and spinous processes of vertebrae C7-T12
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INSERTION AND ACTION OF TRAPEZIUS (SUPERIOR)
lateral 1/3 of clavicle; elevates scapula
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INSERTION AND ACTION OF TRAPEZIUS (MIDDLE)
acromion and spine of scapula; retracts the scapula
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INSERTION AND ACTION OF TRAPEZIUS (INFERIOR)
medial end of spine of scapula; depresses the scapula
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INNERVATION OF TRAPEZIUS
Spinal Accessory Nerve (CN XI)
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ORIGIN OF LATISSIMUS DORSI
spinous processes of T7-T12, thoracolumbar fascia, and iliac crest and ribs 9-12
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INSERTION OF LATISSIMUS DORSI
floor of the intertubercular sulcus on humerus
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INNERVATION OF LATISSIMUS DORSI
Thoracodorsal Nerve
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ACTIONS OF LATISSIMUS DORSI
extends arm and rotates arm medially, depresses scapula, raises body toward climbing
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ORIGIN OF LEVATOR SCAPULAE
Transverse processes of C1-C4
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INSERTION OF LEVATOR SCAPULAE
Superior angle of scapula
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INNERVATION OF LEVATOR SCAPULAE
Dorsal Scapular Nerve
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ACTIONS OF LEVATOR SCAPULAE
elevates scapula and rotates the scapula to depress the glenoid cavity
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ORIGIN OF RHOMBOID MINOR
Nuchal ligament and spinous processes of C7-T1
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INSERTION OF RHOMBOID MINOR
medial border of scapula
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INNERVATION OF RHOMBOID MINOR
Dorsal Scapular Nerve
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ACTIONS OF RHOMBOID MINOR
- retract scapula, rotate the scapula to depress
- the glenoid cavity, and hold the scapula close to thoracic wall
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ORIGIN OF RHOMBOID MAJOR
spinous processes of T2-T5
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INSERTION OF RHOMBOID MAJOR
medial border of scapula
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INNERVATION OF RHOMBOID MAJOR
Dorsal Scapular Nerve
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ACTIONS OF RHOMBOID MAJOR
- retract scapula, rotate the scapula to depress
- the glenoid cavity, and hold the scapula close to thoracic wall
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