Scapula to humerus Flashcards
deltoid *: Origin
clavicle, acromion, spine of the scapula
deltoid *: Insertion
deltoid tuberosity of humerus
deltoid *: Nerve
Axillary nerve
deltoid *: Action
shoulder abduction, flexion and extension
supraspinatus*: Origin
supraspinous fossa of scapula
supraspinatus*: Insertion
superior facet of greater tubercle of humerus
supraspinatus*: Nerve
suprascapular nerve
supraspinatus*: Action
abduction of arm and stabilizes humerus
infraspinatus*: Origin
infraspinous fossa of the scapula
infraspinatus*: Insertion
middle facet of greater tubercle of the humerus
infraspinatus*: Nerve
suprascapular nerve
infraspinatus*: Action
Lateral rotation of arm & Adduction of arm and stabilizes humerus
teres major*: Origin
posterior aspect of the inferior angle of the scapula
teres major*: Insertion
medial lip of the intertubercular sulcus of the humerus
teres major*: Nerve
Lower subscapular nerve (segmental levels C5 and C6)
teres major*: Action
Internal rotation of the humerus
teres minor*: Origin
lateral border of the scapula
teres minor*: Insertion
inferior facet of greater tubercle of the humerus
teres minor*: Nerve
axillary nerve
teres minor*: Action
laterally rotates and adducts the arm
subscapularis*: Origin
subscapular fossa
subscapularis*: Insertion
lesser tubercle of humerus
subscapularis*: Nerve
upper subscapular nerve, lower subscapular nerve (C5, C6
subscapularis*: Action
rotates medially humerus; stabilizes shoulder
