Outline Actions

Elevation/ or stabilization under a downwards load of scapula

Levator scapulae

Trapezius

Depression or stabilization under an upward load of the scapula

Latissimus dorsi

Pectenius minor

Serratus anterior

Upward rotation of the scapula

Trapezius

Serratus Anterior

Downward rotation of the scapula

Levator scapulae

Rhomboids

Pectoralis minor

Protraction of the scapula

Serratus anterior

Pectoralis minor

Retraction of the scapula

Trapezius

Rhomboids

Fixators of the scapula

Trapezius

Levator scapulae

rhomboids

Serratus anterior

Pectoralis minor

Arm flexion from hyper extended position to anatomical position

Deltoid

Pectoralis major

Arm flexion from anatomical position to fixed position

Deltoid

Arm extension from fixed position to anatomical position

Deltoid

Pectoralis major

Latissimus dorsi

Arm extension from anatomical position to hyperextended position

Posterior fibers of deltoid

Latissimus dorsi

Arm abduction to 90

Supraspinatus

deltoid

Arm abduction from 90 to 180

Deltoid

Upward rotation of scapula

Arm adduction

Latissimus dorsi

Pectoralis major

Forearm flexion when supinated

Biceps brachii

Brachialis

Forearm flexion when pronated

Brachioradialis

Brachialis

Pronator teres

Forearm extension

Triceps brachii

Forearm pronation

Pronator teres

Forearm supination

Biceps brachii

Wrist flexion

Flexor carpi ulnaris

Flexor carpi radialis

Wrist extension

Extensor carpi ulnaris

Extensor carpi radialis longus

Wrist abduction

Flexor carpi radialis

Extensor carpi radialis longus

Wrist adduction

Flexor carpi ulnaris

Extensor carpi ulnaris