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PTA 101 Muscles #2
PTA 101 Muscles #2
16
Medical
Undergraduate 1
12/14/2009

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Term
supraspinatus origin
Definition
supraspinous fossa of the scapula
Term
supraspinatus insertion
Definition
greater tubercle of humerus
Term
supraspinatus function
Definition
assists deltoid to adduct arm @ shoulder
Term
supraspinatus innervation
Definition
suprascapular n.
Term
infraspinatus origin
Definition
infraspinous fossa of scapula
Term
infraspinatus insertion
Definition
greater tubercle of humerus
Term
infraspinatus function
Definition
external rotation of arm at shoulder
Term
infraspinatus innervation
Definition
suprascapular n.
Term
infraspinatus innervation
Definition
suprascapular n.
Term
teres minor origination
Definition
inferior, lateral border of the scapula
Term
teres minor insertion
Definition
greater tubercle of the humerus
Term
teres minor function
Definition
external rotation & extension of arm at shoulder
Term
subscapularis origin
Definition
subscapular fossa of scapula
Term
subscapularis insertion
Definition
lesser tubercle of humerus
Term
subscapularis function
Definition
internal rotation of arm at shoulder
Term
subscapularis innervation
Definition
upper and lower subscapular n.
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