Muscles acting on the Thorax and Upper Extremity

Scapular group

Serratus Anterior

Trapezius

Levator Scapulae

Rhomboids (major & minor)

Pectoralis minor

Subclavius

Pectoralis major

Latissimus Dorsi

Deltoid

Teres Major

Supraspinatis

Infraspinatis

Teres Minor

Subscapularis

Coracobrachialis

Triceps Brachii

Biceps Brachii

Brachialis

Brachioradialis

Anconeus

Pronator Teres

Pronator Quadratus

Supinator

Flexor carpi radialis

Flexor carpi ulnaris

Palmaris longus

Flexor digitorum superficialis

Flexor Digitorum Profundus

Flexor pollicis longus

Extensor carpi radialis longus

Extensor carpi radialis brevis

Extesnor carpi ulnaris

Extensor digitorum

Extensor pollicis longus