Studied by 4 people
levator scapulae
elevates and adducts scapula
Coracobrachialis
flexes and adducts arm
deltoid
abducts arm
Supraspinatus
abducts arm
Subscapularis
medially rotates arm
latissimus dorsi
Extends, adducts, and medially rotates the arm; draws the shoulder downward and backward
Infraspinatus
rotates arm laterally
teres minor
rotates arm laterally
rhomboid major
adducts scapula
teres major
extends, adducts, and medially rotates arm
Trapezius
Elevates, depresses, retracts, and rotates the scapula; rotates the arm
Trapezius
O=occipital bone, C1-7, T1-12 spinous process; I= acromion process of scapula; Raise arm, raise & rotate scapula, extend head
levator scapulae
O = transverse processes of C1-C4; I = medial margin of scapula; to raise scapula
Deltoid
O=acromion process and spine of scapula & clavicle; I=lateral edge of humerus; Abducts arm
Rhomboideus major
O= spinous process of thoracic vertebrae; I= medial border of scapula; raise, adduct & retract scapula
Teres major
O=lateral border of scapula; I=intertubercular groove of humerus; extends, adducts & medially rotates arm
Teres minor
O: lateral border of scapula; I: greater tubercle of humerus; laterally rotates arm
Infraspinatus
O= posterior surface of scapula below spine; I=greater tubercle; rotates arm laterally
Supraspinatus
O= posterior scapula above spine; I=greater tubercle; abducts arm
Subscapularis
O=anterior side of scapula; I=lesser tubercle; rotates arm medially
Lattisimus dorsi
O=vertebral column; I=intertubercular groove of humerus; extends, adducts, and medially rotates arm
Coracobrachialis
O=coracoid process of scapula; I=shaft of humerus; flexes and adducts arm
