USMLE - United States Medical Licensing Examination
USMLE - United States Medical Licensing Examination
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Complete Table of Upper Body Muscles with Images
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USMLE - United States Medical Licensing Examination
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USMLE - United States Medical Licensing Examination
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Clinical Anatomy by Regions
A summary table of all upper limb, hands, back, and shoulder muscles with individual illustration, origin, insertion, action, and innervation, for visual and spatial learners.
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MUSCLESMUSCLE
OF OFTHE UPPER
THE UPPER BODY
LIMB SUMMARY
SHOULDER
Anterior Axio-appendicular | Pectoral |
BACK Thoraco-appendicular FOREARM
Superficial - Pectoralis major Anterior
- Splenius - Pectoralis minor Superficial (1st) Layer
Intermediate - Subclavius - Pronator teres
(Erector Spinae) - Serratus anterior - Flexor carpi radialis
- Iliocostalis Posterior Axio-appendicular - Palmaris longus
- Longissimus Superficial Extrinsic - Flexor carpi ulnaris
- Spinalis - Trapezius Intermedate (2nd) Layer
Deep - Latissimus dorsi - Flexor digitorum superficialis
(Transversospinalis) Deep Extrinsic (FDS)
rd
Deep (3 ) Layer
- Semispinalis - Levator scapulae
- Multifidus - Rhomboid major - Flexor digitorum profundus
- Rotatores - Rhomboid minor - Flexor pollicis longus (FPL)
Minor Deep Scapulohumeral (Intrinsic) - Pronator quadratus
- Interspinales - Deltoid
- Intertransversarii - Supraspinatus Posterior
- Levatores costarum - Infraspinatus Superficial
- Teres minor - Brachioradialis
- Teres major - Extensor carpi radialis longus
SUBOCCIPTAL - Subscapularis (ECRL)
Rectus capitis posterior minor *Rotator Cuff - Extensor carpi radialis brevis
(ECRB)
Triangle - Extensor digitorum
- Rectus capitis posterior major HAND - Extensor digiti minimi (EDM)
- Obliquus capitis inferior - Extensor carpi ulnaris (ECU)
- Obliquus capitis superior Thenar
Deep Layer
- Opponens pollicis
- Supinator
- Abductor pollicis brevis
- Extensor indicis
ARM - Flexor pollicis brevis
Outcrooping muscles of deep layer
- Adductor pollicis
Flexors/Anterior - Abductor pollicis longus (APL)
Hypothenar
- Biceps brachii - Extensor pollicis longus (EPL)
- Abductor digiti minimi
- Coracobrachialis - Extensor pollicis brevis (EPB)
- Flexor digiti minimi brevis
- Brachialis
- Opponens digit
Extensors/Posterior
Short muscles This printable is intended for educational purposes only. It may contain copyrighted
- Triceps brachii materials which have not been authorized for use by the owner. Some information and
- Lumbricals
- Anconeus illustrations do not belong to me. They were obtained from different sources to aid in
- Dorsal interossei learning. Reproduction, distribution, and selling of this material for any purpose other
than what is intended is prohibited.
- Palmar interosse
, MUSCLES OF THE UPPER BODY: BACK, SHOULDER, UPPER LIMBS, HANDS
Muscle Origin Insertion Action Innervation
Splenius Nuchal ligament and spinous Capitis: superolateral to mastoid Acting alone: laterally Posterior rami
processes of C7–T6 vertebrae process of temporal bone and flex neck and rotate of spinal
lateral third of superior nuchal head to side of active nerves
Capitis: C7-T3 line of occipital bone muscles
Cervicis: T3-T6
Acting together:
extend head and neck
Cervicis: tubercles of transverse
processes of C1–C3 or C4
vertebrae
Iliocostalis Arises by a broad tendon from lumborum, thoracis, cervicis; Acting bilaterally: Posterior rami
posterior part of iliac crest, fibers run superiorly to angles of extend vertebral of spinal
posterior surface of sacrum, lower ribs and cervical transverse column and head; as nerves
sacro-iliac ligaments, sacral and processes back is flexed, control
Longissimus inferior lumbar spinous thoracis, cervicis, capitis; fibers movement via
processes, and supraspinous run superiorly to ribs between eccentric contraction
ligament tubercles and angles to
transverse processes Acting unilaterally:
in thoracic and cervical regions, laterally flex vertebral
and to mastoid process of column
temporal bone
Spinalis thoracis, cervicis, capitis; fibers
run superiorly to spinous
processes in the upper thoracic
region and to cranium
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