| Term 
 | Definition 
 
        | the bony ring formed by the scapula and clavicle |  | 
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        | Term 
 | Definition 
 
        | a nerve network formed by ventral rami of spinal nerves c5, 6, 7, 8, and t1 
 runs through the axilla
 |  | 
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        | Term 
 | Definition 
 
        | posterior side of scaupula near inf angle |  | 
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        | Term 
 | Definition 
 
        | medfial lip of intertubercular groove, near insert of lat dorsi |  | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 
        | extension,a dduction and medial rotation of humerus |  | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 
        | lateral thrid of clavicle, acromion, apine of scapula (same as trapezius) |  | 
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        | Term 
 | Definition 
 
        | deltoid tuberosity of humerus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | axillary n (courses around post side of surg neck of humerus) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | posterior circumflex artery |  | 
        |  | 
        
        | Term 
 
        | quadrangular space borders |  | Definition 
 
        | "gang symbol" teres minor, major, long head of triceps brachii, and surgical neck of humerus
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | on humerus: flexes
 medially rotates
 laterally abducts
 extends laterally rotates
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | flat sac of synovial membrane enclosing a film of slippery synovial fluid functions to lubricate motion
 between greater tubercle of humerus and deltoid and acromion
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | subscapular fossa of the scapula |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | lesser tubercle of the humerus |  | 
        |  | 
        
        | Term 
 
        | Subscapularis innervation |  | Definition 
 
        | upper and loer subscapular nn |  | 
        |  | 
        
        | Term 
 
        | Subscapularis blood supply |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | medially rotates the humerus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Supraspinous fossa of the scapula |  | 
        |  | 
        
        | Term 
 
        | Supraspinatus innervation |  | Definition 
 
        | Suprascapular n (courses though the suprascapular notch and under the transverse scauplar ligament |  | 
        |  | 
        
        | Term 
 
        | Supraspinatus blood supply |  | Definition 
 
        | suprascapular a (courses over the transverse scapular ligament) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | laterally roates the humerus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | posterior side of scapula, near the lateral border, lateral to the origin of teres major |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | post. side of greater tubercle of humerus |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | circumflex scapular branch of subscaular a |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | laterally rotates the humerus |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | clavicular head: medial third of the clavicle sternocostal head: sternum and costal cartilages
 |  | 
        |  | 
        
        | Term 
 
        | pectoralis major insertion |  | Definition 
 
        | lateral lip of the intertubercular groove |  | 
        |  | 
        
        | Term 
 
        | pectoralis major innercation |  | Definition 
 
        | lateral and medial pectoral nn |  | 
        |  | 
        
        | Term 
 
        | pectoralis major blood supply |  | Definition 
 
        | branches of the internal thoracic, lateral thoracic, and thoraco-acromial arteries |  | 
        |  | 
        
        | Term 
 
        | pectoralis major actions Both heads:
 Clavicular head:
 Sternocostal Head:
 |  | Definition 
 
        | Both heads: adduct and medially rotate the humerus 
 Clavicular head: flexes humerus
 
 Sternocostal Head: flexes the entended humerus, but extends the flexed humerus, also depresses and protracts the shoulder girdle by pulling the humerus
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | ribs 3, 4, 5 near the constochondral junctions |  | 
        |  | 
        
        | Term 
 
        | Pectoralis Minor insertion |  | Definition 
 
        | corqcoid process of the scapula |  | 
        |  | 
        
        | Term 
 
        | Pectoralis Minor innervation |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Pectoralis Minor blood supply |  | Definition 
 
        | branches of axillary arter: 
 lateral thoracic and thoracocacromial aa
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | depresses and protracts the shoulder girdle 
 helps with inferior rotaion of scapula
 |  | 
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        | Term 
 | Definition 
 | 
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        | Term 
 | Definition 
 
        | inferior side of clavicle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | nerve to subclavius (branch of brachial plexus) |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | depresses clavicle and resists lateral dislocation of clavicle |  | 
        |  | 
        
        | Term 
 | Definition 
 | 
        |  | 
        
        | Term 
 
        | Serratus anterior insertion |  | Definition 
 
        | anterior (deep) side of scapula alonf its ENTIRE medial border |  | 
        |  | 
        
        | Term 
 
        | Serratus anterior blood supply |  | Definition 
 
        | subscapular and lateral thoracic aa |  | 
        |  | 
        
        | Term 
 
        | Serratus anterior  innervation |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Serratus anterior  actions |  | Definition 
 
        | protracts shoulder girdle (pulls scaula anteriorly) 
 holds the scapula to rib cage
 
 rotates scpula superiorly during abduction of arm by pulling its inferior angle forward
 |  | 
        |  | 
        
        | Term 
 
        | what does denervation of the serratus anterior m result in? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Arteries anastomosing on the dorsum of the scapula |  | Definition 
 
        | suprascapular a dorsal scapular a
 subscapular a
 circumflex a
 posterior circumflex humeral a
 subscapular a
 |  | 
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