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18 Cards in this Set
- Front
- Back
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Origin, & insertion, of the trapezius?
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Origin is Occipital bone, ligamentum nuchae, spine of C7 and ll thoracic vertebrae.
Insertion is lateral 1/3 of clavicle,acromion & spinous process of scapula |
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Action of Trapezius?
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Extends head, raises, rotates & retracts scapula & stabilizes it
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Origin & insertion of Levator Scapula?
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Insertion C1-C4
Origin medial border of the scapula |
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Action of levator scapula?
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Elevates & adducts scapula or rotates and sidebends head.
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Origin & insertion of Deltoid?
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Origin lateral clavicle, acromion, spine of scapula.
Insertion- deltoid tuberosity of humerous |
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Action of Deltoid?
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Draw arm forward & inward
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Origin & insertion of Rhomboideus major?
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Origin T1-T4 spinous process.
Insertion medial border of scapula |
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Action of Rhomboideus major?
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Braces & rotates scapula & pulls it toward spine, stabilizes scapula
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Origin & insertion of Rhomboideus minor?
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Origin C6-C7
Insertion Medial border of scapula |
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Action Rhomboideus minor?
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Braces rotates & pulls it toward spine, stabilizes scapula
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Origin & insertion of Splenius cervicis/capitis?
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Origin T3-T6 spinous processes, C7-T3/4 spinous processes & ligamentum nuchae
Insertion Cervicis Transverse process C2-C4, Capitis mastoid process of occipital & temporal bone |
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Action of splendius cervicis/capitis?
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Rotates & extends head.
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Origin & insertion of supraspinatus?
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Origin supraspinous fossa of scapula
Insertion greater tuberacle of humerous |
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Action of supraspinatus?
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Assits abduction of humerus, stabilizes shoulder joint.
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Origin & insertion of Infraspinatus?
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Origin infraspinous fossa of scapula
Origin Greater tuberacle of humerous |
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Action of infraspinatus?
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Lateral rotation of humerus
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Origin & insertion of Latissimus dorsi?
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Origin T7-T12 & via lumbar fascia to L1- l5, lower 3 5o 4 rubs and iliac crest.
Insertion floor of intertubercular groove of humerus |
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Action latissumus dorsi?
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Adduct, draw back & inwardly rotates arm. Prime mover of arm extension. As in a striking motion
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