scapulohumeral (intrinsic shoulder) muscles Flashcards
deltoid insertion
deltoid tuberosity of the humerus
deltoid Origin
lateral 1/3 of the clavicle
acromion process
spine of the scapula
deltoid innervation
axillary nerve (C5 and C6)
supraspinatus origin
supraspinous fossa of the scapula
supraspinatous insertion
superior facet of the greater tubercle of the humerus
supraspinatous innervation
suprascapular nerve (C4, C5, C6)
infraspinatous insertion
middle facet of the greater tubercle of the humerus
infraspinatous innervation
suprascapular nerve (C5 C6)
teres minor origin
middle part of the lateral border of the scapula
teres minor insertion
inferior facet of the greater tubercle of the humerus
teres minor innervation
axillary nerve (C5 and C6)
teres major origin
inferior part of lateral border of scapula
posterior surface of the inferior angle of the scapula
teres major insertion
medial lip of the intertubercular sulcus of the humerus
teres major innervation
lower subscapular nerve (C5 and C6)
subscapularis origin
subscapular fossa (most of the anterior portion of the scapula)