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15 Cards in this Set
- Front
- Back
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Quadrangular space
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teres major teres minor triceps deltoid/humerus
holds axillary nerve and posterior circumflex artery of axillary artery |
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comes off C5 root
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dorsal scapular, innervates rhomboids and levator scapulae
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suprascapular nn
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comes off upper trunk goes through scapular notch under the superior transverse cervical ligament
innervates suprospinatus and infraspinatus and glenohumoral joint |
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suclavian nn
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comes off upper trunk
innervates subclavius and sternoclavicular joint (phrenic root innervates diaphragm) C5 and 6 |
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lateral pectoral nn
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comes off the lateral cord
innervates pec major, pierces costocoracoid membrane C567 |
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interjection
arteries that branch around the scapula |
subscapular (circumflex)
suprascapular - over transverse ligament dorsal scapular - sometimes comes off the transcervical artery |
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upper subscapular nn
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from posterior cord
innervates subscapularis C5 |
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thoracodorsal nn
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from posterior cord
innervates latissimus C678 |
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Lower subscapular nerve
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from posterior cord
innervates the subscapular and teres major C6 |
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medial pectoral nn
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comes from medial cord
innervates/ pierces pec minor and major, actually runs lateral to the lateral pectoral nn C8 T1 |
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medial brachial cutaneous nn
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comes off medial cord
innervates the medial side of arm to olecranon of ulna C8 T1 |
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medial antebrachial cutaneous nn
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comes form medial cord
innervates skin of forearm to wrist (medial side) runs with ulnar then pierces deep fascia w/basilic vein C8 T1 |
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musculocutaneous
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from lateral cord
innervates anterior compartment of arm flexion/supination runs with cephalic vein muscles of anterior arm (coracobrachialis brachii and brachialis) / skin of lateral forearm (lateral cutaneous nn of forearm) |
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Median
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comes from lateral and medial cord (lateral root of median nerve and medial root of median nn)
innervates mm of anterior forearm (except flexor carpi ulnaris and the ulnar half of flexor digitorum profundus) mm in thenar half of palm and palmar skin C5 T1 |
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Ulnar
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comes from medial cord
innervates most intrinsic muscles of hand and skin of hand medial to axial line of digit 4 |
