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Organization of the Upper Limb

Organization of the Upper Limb. Robert S. Staron, Ph.D. Summer Anatomy Immersion. Gray’s Anatomy 37 th ed. Grant’s Atlas of Anatomy 8 th ed. Grant’s Atlas 8 th ed. Grant’s Atlas of Anatomy 8 th ed. Antr division: flexor comp. Postr division: ext comp.

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Organization of the Upper Limb

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  1. Organization of theUpper Limb Robert S. Staron, Ph.D. Summer Anatomy Immersion

  2. Gray’s Anatomy 37th ed Grant’s Atlas of Anatomy 8th ed

  3. Grant’s Atlas 8th ed Grant’s Atlas of Anatomy 8th ed

  4. Antr division: flexor comp. Postr division: ext comp. Netter’s Atlas of Human Embryology 2002

  5. Anterior Muscle Compartments of the Upper Limb Grant’s Dissector 13th ed musculocutaneous n. Humerus radial n. Posterior (including a portion of the brachialis m.) Anterior median n. & ulnar n. Radius Ulna radial n. (including ECRL & brachioradialis mm.) Posterior ulnar n. & median n. Anterior 5th metacarpal Posterior

  6. Origin of Limb Muscles Dorsal muscle mass forms extensors and supinators in upper limb, extensors and abductors in lower limb. Ventral muscle mass forms flexors and pronators in upper limb and flexors and adductors in lower limb. Morphogenesis guided by CT, not myoblasts Split into individual muscles, cell death involved Carlson l999 Human Embryology Larsen 1993

  7. Hollinshead’s Textbook of Anatomy 5th ed

  8. Grant’s Dissector 13th ed

  9. 21. Rohen/YokochiColor Atlas of Anatomy 2nded

  10. Brachial Plexus Netter’s Atlas 2nd ed

  11. hand – forearm – arm – shoulder distal proximal Grant’s Atlas of Anatomy 8th ed

  12. trapezius m. latissimus dorsi m. levator scapulae m. rhomboideus major m. rhomboideus minor m. serratus anterior m. infraspinatus m. supraspinatus m. subscapularis m. teres minor m. teres major m. deltoid m. Extrinsic shoulder mm. Intrinsic shoulder mm. Anterior thorax mm. 1) pectoralis major and minor mm. 2)subclavius m.

  13. trapezius m. (spinal accessory n. - CN XI + C3 & C4) latissimusdorsi m. (thoracodorsal n. - C6, C7, C8) levator scapulae m. (C3 & C4 + dorsal scapular n. - C5) rhomboideus major m. (dorsal scapular n. - C5) rhomboideus minor m. (dorsal scapular n. - C5) serratus anterior m. (long thoracic n. - C5, C6, C7) Extrinsic shoulder mm. Anterior thorax mm. 1) pectoralis major ( C5-T1) & minor (C6-C8) mm. med/lat pect nn. 2)subclavius m. (n. to subclavius m. - C5, C6)

  14. Grant’s Atlas 8th ed Grant’s Atlas of Anatomy 8th ed

  15. Netter’s Atlas of Human Anatomy 2nd ed

  16. Netter’s Atlas 2nd ed

  17. infraspinatus m. (suprascapular n. - C5, C6) supraspinatus m. (suprascapular n. - C5, C6) subscapularis m. (upper + lower subscapularnn. - C5, C6) teres minor m. (axillary n. - C5, C6) teres major m. (lower subscapular n. - C5, C6) deltoid m. (axillary n. - C5, C6) Intrinsic shoulder mm.

  18. Grant’s Atlas 8th ed Grant’s Atlas of Anatomy 8th ed

  19. Netter’s Atlas of Human Anatomy 2nd ed

  20. rotator cuff musculature Netter’s Atlas 2nd ed

  21. Anterior Muscle Compartments of the Upper Limb - arm Grant’s Dissector 13th ed musculocutaneous n. Humerus radial n. Posterior (including a portion of the brachialis m.) Anterior median n. & ulnar n. Radius Ulna radial n. (including ECRL & brachioradialis mm.) Posterior ulnar n. & median n. Anterior 5th metacarpal Posterior

  22. Grant’s Dissector 13th ed

  23. biceps brachii m. long head short head brachialis m. coracobrachialis m. triceps brachii m. lateral head medial head long head anconeus m. brachium antr compartment postr compartment

  24. musculocutaneous n. (C5-C7) biceps brachii m. (C5, C6) brachialis m. (C5, C6) coracobrachialis m. (C5-C7) Netter’s Atlas of Human Anatomy 2nd ed

  25. axillary n. (C5-C6) deltoid m. (C5, C6) teres minor m. (C5, C6) radial n.(C5-T1) triceps brachii m. (C6-C8) anconeus m. (C7, C8) (brachialis m. C5, C6) Netter’s Atlas of Human Anatomy 2nd ed

  26. Grant’s Dissector 13th ed

  27. Anterior Muscle Compartments of the Upper Limb - forearm Grant’s Dissector 13th ed musculocutaneous n. Humerus radial n. Posterior (including a portion of the brachialis m.) Anterior median n. & ulnar n. Radius Ulna radial n. (including ECRL & brachioradialis mm.) Posterior ulnar n. & median n. Anterior 5th metacarpal Posterior

  28. Anterior Muscle Compartments of the Upper Limb - forearm Grant’s Dissector 13th ed musculocutaneous n. Humerus radial n. Posterior (including a portion of the brachialis m.) Anterior median n. & ulnar n. (FCU & ulnar ½ FDP) Radius Ulna radial n. (including ECRL & brachioradialis mm.) Posterior ulnar n. & median n. Anterior 5th metacarpal Posterior

  29. Grant’s Dissector 13th ed

  30. pronator teres m. flex. carpi radialis m. palmaris longus m. flex. carpi ulnaris m. flex. digit. superf. m. flex. digit. profund. m. flex. pollicis longus m. pronator quadratus m. brachioradialis m. ext. carpiradialislongus m. ext. carpiradialisbrevis m. ext. carpiulnaris m. extensor digitorum m. extensor digitiminimi m. extensor indicis m. abdpollicislongus m. ext. pollicislongus/brevis m. supinator m. antebrachium antr compartment postr compartment

  31. pronatorteres m. (C6, C7) flex. carpiradialis m. (C6, C7) palmarislongus m. (C7, C8) flex. carpiulnaris m. (C7, C8) flex. digit. superf. m. (C7, C8, T1) flex. digit. profund. m. (C7, C8, T1) flex. pollicislongus m. (C8, T1) pronatorquadratus m. (C8, T1) antebrachium antr compartment (median & ulnar nn.)

  32. pronatorteres m. (C6, C7) flex. carpiradialis m. (C6, C7) palmarislongus m. (C7, C8) flex. carpiulnaris m. (C7, C8) flex. digit. superf. m. (C7, C8, T1) flex. digit. profund. m. (C7, C8, T1) flex. pollicislongus m. (C8, T1) pronatorquadratus m. (C8, T1) antebrachium antr compartment (median & ulnar nn.)

  33. ulnar n. (C7-T1) flex carpi ulnaris m. medial ½ FDP + 14 intrinsic hand muscles Netter’s Atlas of Human Anatomy 2nd ed

  34. median n. (C5-T1) PT, FCR, PL, FDS, lat ½ FDP, FPL, PQ + 5 intrinsic hand muscles Netter’s Atlas of Human Anatomy 2nd ed

  35. brachioradialis m. (C5, C6) ext. carpiradialislongus m. (C6, C7) ext. carpiradialisbrevis m. (C6, C7 or C7, C8) ext. carpiulnaris m. (C7, C8) extensor digitorum m. (C7, C8) extensor digitiminimi m. (C7, C8) extensor indicis m. (C7, C8) abdpollicislongus m. (C7, C8) ext. pollicislongus/brevis m. (C7, C8) supinator m. (C5, C6) antebrachium postr compartment (radial n. C5-T1)

  36. radial n. (C5-T1) triceps brachii m., anconeus m. (brachialis m.) BR, ECRL, ECRB, ED, EDM, supinator, ECU, EI, AbdPL, EPL, EPB Netter’s Atlas of Human Anatomy 2nd ed

  37. Grant’s Atlas of Anatomy 11th ed

  38. Anterior Muscle Compartments of the Upper Limb - hand Grant’s Dissector 13th ed musculocutaneous n. Humerus radial n. Posterior (including a portion of the brachialis m.) Anterior median n. & ulnar n. (FCU & ulnar ½ FDP) Radius Ulna radial n. (including ECRL & brachioradialis mm.) Posterior ulnar n. & median n. Anterior 5th metacarpal Posterior

  39. Anterior Muscle Compartments of the Upper Limb - hand Grant’s Dissector 13th ed musculocutaneous n. Humerus radial n. Posterior (including a portion of the brachialis m.) Anterior median n. & ulnar n. (FCU & ulnar ½ FDP) Radius Ulna radial n. (including ECRL & brachioradialis mm.) Posterior ulnar n. & median n. Anterior (thenar mm. & 1st, 2nd lumbricals) 5th metacarpal Posterior

  40. intrinsic hand muscles (C8, T1) • 7 interosseii mm. (4 dorsal/3 palmar) • 4 lumbrical mm. (1, 2, 3, 4) • palmaris brevis m. • adductor pollicis m. • three thenar mm. (OP, abd.PB, FPB) • three hypothenar mm. (ODM, abd.DM, FDMB)

  41. intrinsic hand muscles (median & ulnarnn.) • 7 interosseii mm. (4 dorsal/3 palmar) • 4 lumbrical mm. (1, 2, 3, 4) • palmaris brevis m. • adductor pollicis m. • three thenar mm. (OP, abd.PB, FPB) • three hypothenar mm. (ODM, abd.DM, FDMB)

  42. upper limb - cutaneous innervation Netter’s Atlas of Human Anatomy 2nd ed

  43. upper limb – dermatome pattern Netter’s Atlas of Human Anatomy 2nd ed

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