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Pectoralis Major
Adduction, flexion, and internal rotation of humerus
deltoid
flexion, extension, abduction, internal and external rotation
teres minor
external rotation
biceps brachii
forearm supination, elbow flexion
pronator teres
pronates forearm
pectoralis minor
depression and protraction of scapula
latissimus dorsi
extension, adduction, and internal rotation
teres major
flexion, adduction, and internal rotation
triceps brachii
elbow extension
pronator quadratus
pronates forearm and hand
subclavius
depression and rotation of clavicle
rhomboid minor/major
retracts scapula and rotates it to depress glenoid cavity
subscapularis
abduction of shoulder
brachialis
elbow flexion
supinator
supinates forearm
serratus anterior
protraction and rotation of scapula
holds scapula against thoracic wall
flexion and adduction of shoulder
infrascapularis
external rotation of shoulder
aconeous
forearm extension
posterior forearm
mostly extensors
trapezius
elevation, retraction, and rotation of scapula
levator scapulae
elevates scapula and rotates glenoid cavity inferiorly by rotating the scapula
subscapularis
adduction and internal rotation of shoulder
brachioradialis
flexes midpronated arm
anterior forearm
mostly flexors