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31 Cards in this Set
- Front
- Back
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Trapezius Origin
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Superior nuchal line, external occipital protuberance, nuchal ligament, spinous processes C7-T12
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Trapezius Insertion
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lateral 3rd of clavicle, acromion, spine of scapula
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Trapezius Action
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Elevate, depress and retract scapula
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Trapezius Innervation
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Spinal Accessory Nerve (CN XI), C3 & C4
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Latissimus dorsi Origin
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Spinous processes of T7-L5, sacrum, iliac crest, ribs 10-12
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Latissimus dorsi Insertion
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floor of intertubercular surface of humerus
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Latissimus dorsi action
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extend, adduct, medially rotate humerus, depress shoulder
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Latissimus dorsi Innervation
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thoracodorsal nerve C6-C8
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Levator scapuli origin
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transverse processes of C1-C4
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Levator scapuli insertion
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Upper portion of medial border of scapula
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Levator scapuli action
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elevate scapula
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Levator scapuli innervation
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C3, C4 dorsal scapular nerve
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Rhomboid major origin
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spinous processes of T2-T5
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Rhomboid major insertion
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medial border of scapula between spine and inferior angle
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Rhomboid major action
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retract, adduct and elevate scapula
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Rhomboid major innervation
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C4, C5, dorsal scapular nerve
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Rhomboid minor origin
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ligamentum nuchae, spinous processes of C7-T1
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Rhomboid minor insertion
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medial scapular border at spine of scapula
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Rhomboid minor action
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retract, adduct and elevate scapula
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Rhomboid minor innervation
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C4, C5, dorsal scapular nerve
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Serratus posterior superior origin
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lower ligamentum nuchae, spinous processes of C7-T3, supraspinous ligaments
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Serratus posterior superior insertion
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upper border of ribs 2-5
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Serratus posterior superior action
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elevate ribs 2-5
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Serratus posterior superior innervation
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anterior rami T2-T5
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Serratus posterior inferior origin
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spinous processes of T11-L3
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Serratus posterior inferior insertion
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lower border of ribs 9-12
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Serratus posterior inferior action
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depress ribs 9-12
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Serratus posterior inferior innervation
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anterior rami T9-T12
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Intrinsic back muscle innervation
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posterior rami
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Suboccipital muscle action
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extend head at atlanto axial joint
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suboccipital muscle innervation
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posterior ramus of C1
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