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Pectoralis Major
adducts arm


Serratus Anterior
lateral and upward scapula movement
Deltoid
movement: arm abduction origin: clavicle, acromion and spine of scapula insertion: deltoid tuberosity of humerus

Infraspinatus
movement: rotates laterally origin: infraspinous fossa insertion: greater tubercle of humerus

Subscapularis
movement: rotates arm medially origin: subscapular fossa insertion: lesser tubercle of humerus

Supraspinatus
movement: abduction of arm origin: supraspinous fossa insertion: greater tubercle of humerus

Teres Major
movement: adducts arm, origin: posterior surface of scapula insertion: lesser tubercle of humerus


Teres Minor
movement: rotates arm laterally origin: inferior lateral border of scapula insertion: greater tubercle of humerus