O: Clavicle, acromion, and spine of scapula

I: Deltoid tuberosity of humerus

A: Abduct arm, can flex or extend, and medially or laterally rotate

N: Axillary n. (C5-6)

O: Lower 1/3 of later border of scapula

I: Crest of lesser tubercle of humerus

A:  Medial rotation, extension, and adduction of arm

N: Lower subscapular n. (C5-6)

O: Supraspinous fossa of scapula

I: Greater tubercle of humerus (upper facet)

A: Abduction of arm (rotator cuff)

N: Suprascapular n. (C5-6)

O: Infraspinous fossa of scapula

I: Greater tubercle of humerus (middle facet)

A: Lateral rotation of arm (rotator cuff)

N: Suprscapular n. (C5-6)

O: Middle half of lateral border of scapula

I: Greater tubercle of humerus (lower facet)

A: Lateral rotation of arm (rotator cuff)

N: Axillary n. (C5-6)

O: Costal surface of scapula

I: Lesser tubercle of humerus

A: Medial rotation of arm (rotator cuff)

N: Upper and lower subscapular n.'s (C5-6)