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18 Cards in this Set
- Front
- Back
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what muscles involve the depression of scapula
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pect minor, trapezua (lower portion). when reaching down
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what muscles involve elevation of scapula
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trapezua (upper) levator scapulae. when arm raised over head.
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characteristics and func of glenohumeral joint
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hum head in glenoid fossa. rotator cuff: SITS. S: abductor. "IT": lateral S: medial
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other muscles that move glenohumeral joint
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DPCLT. D:ab, flex, (post ex). PC: flexor LT: ad, ex
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musculocutaneous
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3 large flexors: biceps coracobrachialis, brachialis. Sen: lateral aspect of forearm
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Median N
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flexors and pronators of ant forearm.
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Ulnar N
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small muscles of hand, ulnar side of flexor digitorum
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radial N
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large, supply all extensor muscles of upp limb,triceps brachii, brachioradialis, sen: post arm, forearm, dorsum hand
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axillary N
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teres minor and deltoid, sensory: shoulder jt and skin
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Pec ma
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At: CL mid, sterum, costal cart 1-6 to humerus: greater tubercle. A: flex arm, roate medial, adduct, elevate ribs N: lat, med pec N
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pec minor
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ribs 3-5 ant to scapula: coracoid process. A: protract, depress, lat rotate, elevate ribs. N: medial pec N
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serraus ant
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ribs 1-8 to scapula ant vertbral boarder. A: protract, rotate medially, eleveate ribs
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trapezius
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At: all T and C spines, ligmentum nuchace, sup nuchal line to Scapula: spine and acromion and clavicle: sup lat third. A: upper elevate scap, lower depress scap, mid retract scap, roate lat. N: CN XI, APR C3,4
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deltoid
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AT: clavicle in lat 3rd and scapula acromion, spine to humerus deltoid tuberosity. A: abducts, flex, rotate medial,extend, rotate lat
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biceps brachii
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At: scapula short coracoid pro, long: supraglenoid tubercle to common tendon into radial tuberosity. A: flexor of forearm, supinator. N: Muscullocutaneous
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coracobrachialis
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AT: coracoid process to mid shaft. A: flex, adduct arm N: musculo
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brachialis
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humerus ant distal to ulna coronoid process. A: flexor of forearm. N: musculo
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Triceps brachii
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AT: scapula,humerus to ulna: tendon inot olcrenon. A: extend forearm. N: radial
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