Inner Backside

Inner Back Arms, Chest

Pectoralis Major, Anterior Deltoid, Subclavius

Posterior Medial Aspect Muscle Group
li
Upper Trapezius, Levator Scapula, Posterior Deltoid, Supinator, Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis, Abductor Pollicis Longus, Extensor Pollicis Longus, Extensor Pollicis Brevis, Extensor Indicis, Extensor Retinaculum, Adductor Pollicis, Dorsal Interosseous
Levator Labii Superioris
LU
LI
PA
BL
SK
Major Muscle Groups
Pectoralis major, anterior deltoid, subclavius, biceps brachii, brachialis, brachioradialis, flexor carpi radialis, flexor pollicis longus, flexor pollicis brevis, pronator quadratus, palmar interossei, opponens pollicis
Inner Backside and Outer Frontside Major Muscle Groups
LU