term1 Definition1term2 Definition2term3 Definition3
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pectoralis major m.
ni: medial and lateral pectoral n.
bs: pectorial branch of thoracoacromial trunk
vd:
o:medial half of the clavicle; the manubrium; the body of the sternum; the costal cartilages of ribs 1-6; anterior layer of rectus sheath (abdominis)
i:crest of greater tubercle of humerus
function: Clavicular head: flexes the humerusSternocostal head: extends the humerusAs a whole, adducts and medially rotates the humerus. It also draws the scapula anteriorly and inferiorly.
pectoralis minor m.
ni: medial pectoral n.
trapezius m.
cranial nerve XI (vagus nerve)
seratus anterior m.
long thoracic n.
rhomboideus major and minor mm.
dorsal scapular n.
latissimus dorsi m.
thoracodorsal n.
supraspinatus m.
ni: suprascapular n.
O: supraspinous fossa
I: greater tubercle humerus
Function: abduction of arm
a: supraspinous artery
v:
infraspinatus muscle
O: infraspinous fossa
I: grater tubercle of humerus
Function: lateral rotation of arm
a: suprascapular and circumflex scapular arteries
teres minor m.
ni: axillary n.
O: lateral border of scapula
I: greater tubercle of humerus
a: posterior circumflex humeral arteryand the circumflex scapular artery
subscapularis m.
ni: upper and lower subscapular n.
O: subscapular fossa
I: lesser tubercle of humerus
Function medial rotation of arm
a: subscapular artery
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