Scapulohumeral Flashcards
deltoid
O: anterior: lateral clavicle
middle: acromion process
posterior: scapular spine
I: deltoid tuberosity
A: all parts do shoulder abduction
anterior: flexion, internal rotation and horizontal adduction of shoulder
posterior: extension, external rotation, and horizontal abudction of shoulder
I: axillary
supraspinatus
O: supraspinous fossa
I: superior facet of greater tubercle/shoulder joint capsule
A: shoulder abudction
I: suprascapular
infraspinatus
O: infraspinous fossa
I: middle facet of greater tubercle/shoulder joint capsule
A: shoulder external rotation
I: suprascapular
teres minor
O: lateral border of scapula, middle third
I: inferior facet of greater tubercle/shoulder joint capsule
A: shoulder external rotation
I: axillary
subscapularis
O: subscapular fossa
I: lesser tubercle/shoulder joint capsule
A: shoulder internal rotation
I: upper and lower subscapular
teres major
O: lateral border of scapular, inferior part
I: intertubercular groove (medial lip)
A: shoulder internal rotation/shoulder extension from flexed/shoulder adduction
I: lower subscapular