Arm musculature – Forearm musculature
Flexors – surface layer Flexors – deep layer Extensors – spoke-side (radial) layer Extensors – surface layer Extensors – deep layer
- Spoke-sided hand flexor – Musculus flexor carpi radialis
- Olecranon hand flexor – Musculus flexor carpi ulnaris
- Superficial hand flexors – Musculus flexor digitorum superificialis
- Long palmar muscle – Musculus palmaris longus
- Round inward twister – Musculus pronator teres
- Square inward twister – Musculus pronator quadratus
- Long thumb flexor – Musculus flexor pollicis longus
- Deep finger flexor – Musculus flexor digitorum profundus
- Upper arm spoke muscle – Musculus brachioradialis
- Short spoke-side hand extensor – Musculus extensor carpi radialis brevis
- Long spoke-side hand extensor – Musculus extensor carpi radialis longus
- Musculus extensor carpi ulnaris – Musculus extensor carpi ulnaris
- Finger extensor – Musculus extensor digitorum
- Little finger extensor – Musculus extensor digiti minimi
- Long thumb spreader – Musculus abductor pollicis longus
- Short thumb extensor – Musculus extensor pollicis brevis
- Long thumb extensor – Musculus extensor pollicis longus
- Index finger extensor – Musculus extensor indicis
- Outward twister – Musculus supinator
Hand Musculature
Thenar muscles Hypothenic muscles Hollow hand muscles
- Short thumb spreader – Musculus abductor pollicis brevis
- Thumb puller – Musculus adductor pollicis
- Short thumb flexor – Musculus flexor pollicis brevis
- Opposite muscle of the thumb – Musculus opponens pollicis
- Small finger spreader – Musculus abductor digiti minimi
- Small finger flexor – Musculus flexor digiti minimi
- Opposite muscle of the little finger – Musculus opponens digiti minimi
- Short palmar muscle – Musculus palmaris brevis
- Back interosseous muscles – Musculi interossei palmares
- Cervical intergluteal muscles – Musculi interossei dorsales
- Worm-shaped hand muscles – Musculi lumbricales (manus)
Shoulder Girdle Musculature
- Large back muscle – Musculus latissimus dorsi
- Shoulder blade lifter – Musculus levator scapulae
- Large pectoral muscle – Musculus pectoralis major
- Small pectoral muscle – Musculus pectoralis minor
- Small lozenge muscle – Musculus rhomboideus minor
- Large diamond muscle – Musculus rhomboideus major
- Subclavian muscle – Musculus subclavius
- Trapezius muscle – Musculus trapezius
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