Intrinsic(scapulohumoral) & Posterior Arm Flashcards
Deltoid origin
Lateral 1/3 of clavicle
Acromion process
Scapula spine
Deltoid insertion
Deltoid tuberosity
Deltoid action(each part)
Abduct arm
Anterior: flex, medically rotate, horizontally adduct arm
Deltoid nerve
Axillary C5-6
Deltoid blood supply
Posterior humoral circumflex A
Deltoid br. Of thoracoacromial trunk
Supraspinatus origin
Supraspinous fossa
Supraspinatus insertion
Superior facet of greater tubercle
Supraspinatus action
Abduct arm
Lateral rotation(weak)
Stabilization
Supraspinatus nerve
Suprascapular nerve
Supraspinatus blood supply
Suprascapular artery
Infraspinatus origin
Infraspinous fossa
Infraspinatus insertion
Middle facet of greater tubercle
Infraspinatus action
Lateral rotation stabilization
Infraspinatus nerve
Suprascapular nerve C5-6
Infraspinatus blood supply
Suprascapular A., scapular circumflex A.