organization of the upper limb robert s. staron, ph.d. summer anatomy immersion
TRANSCRIPT
Organization of theOrganization of theUpper LimbUpper Limb
Robert S. Staron, Ph.D.Robert S. Staron, Ph.D.Summer Anatomy ImmersionSummer Anatomy Immersion
Grant’s Atlas of Anatomy 8th ed
Gray’s Anatomy 37th ed
Grant’s Atlas of Anatomy 8th ed
Grant’s Atlas 8th ed
Antr division: flexor comp.
Postr division: ext comp.
Netter’s Atlas of Human Embryology 2002
Grant’s Dissector 13th ed
Anterior
musculocutaneous n.
Humerus
radial n.
UlnaRadius
median n. & ulnar n.
radial n.(including ECRL & brachioradialis mm.)
5th metacarpal
ulnar n. & median n.
Anterior
Anterior
Posterior
Posterior
Posterior(including a portion of the brachialis m.)
Muscle Compartments of the Upper Limb
Origin of Origin of
Limb MusclesLimb Muscles
Dorsal muscle mass forms Dorsal muscle mass forms extensors and supinators in extensors and supinators in upper limb, extensors and upper limb, extensors and abductors in lower limb.abductors in lower limb.
Ventral muscle mass forms Ventral muscle mass forms flexors and pronators in flexors and pronators in upper limb and flexors and upper limb and flexors and adductors in lower limb.adductors in lower limb.
Morphogenesis guided by Morphogenesis guided by CT, not myoblasts CT, not myoblasts
Split into individual Split into individual muscles, cell death involvedmuscles, cell death involved
Carlson l999 Human Embryology Larsen 1993
Hollinshead’s Textbook of Anatomy 5th ed
Grant’s Dissector 13th ed
21.
Rohen/Yokochi Rohen/Yokochi Color Atlas of Color Atlas of Anatomy Anatomy 22ndnd ed ed
Brachial Plexus
Netter’s Atlas 2nd ed
Grant’s Atlas of Anatomy 8th ed
hand – forearm – arm – shoulder distal proximal
1)1) trapezius m.trapezius m.
2)2) latissimus dorsi m.latissimus dorsi m.
3)3) levator scapulae m.levator scapulae m.
4)4) rhomboideus major rhomboideus major m.m.
5)5) rhomboideus minor rhomboideus minor m.m.
6)6) serratus anterior m.serratus anterior m.
1)1) infraspinatus m.infraspinatus m.
2)2) supraspinatus supraspinatus m.m.
3)3) subscapularis subscapularis m.m.
4)4) teres minor m.teres minor m.
5)5) teres major m.teres major m.
6)6) deltoid m.deltoid m.
Extrinsic shoulder mm.Intrinsic shoulder mm.
Anterior thorax mm.1) pectoralis major and minor mm.
2) subclavius m.
1)1) trapezius m. trapezius m. (spinal accessory n. - CN XI + C3 & C4)(spinal accessory n. - CN XI + C3 & C4)
2)2) latissimus dorsi m. latissimus dorsi m. (thoracodorsal n. - C6, C7, C8)(thoracodorsal n. - C6, C7, C8)
3)3) levator scapulae m. levator scapulae m. (C3 & C4 + dorsal scapular n. - C5)(C3 & C4 + dorsal scapular n. - C5)
4)4) rhomboideus major m. rhomboideus major m. (dorsal scapular n. - C5)(dorsal scapular n. - C5)
5)5) rhomboideus minor m. rhomboideus minor m. (dorsal scapular n. - C5)(dorsal scapular n. - C5)
6)6) serratus anterior m. serratus anterior m. (long thoracic n. - C5, C6, C7)(long thoracic n. - C5, C6, C7)
Extrinsic shoulder mm.
Anterior thorax mm.1) pectoralis major ( C5-T1) & minor (C6-
C8) mm. 2) subclavius m. (n. to subclavius m. - C5, C6)
med/latpect nn.
Grant’s Atlas of Anatomy 8th ed
Gra
nt’
s A
tlas
8th e
d
Netter’s Atlas of Human Anatomy 2nd ed
Netter’s Atlas 2nd ed
1)1) infraspinatus m. infraspinatus m. (suprascapular n. - C5, C6)(suprascapular n. - C5, C6)
2)2) supraspinatus m. supraspinatus m. (suprascapular n. - C5, C6)(suprascapular n. - C5, C6)
3)3) subscapularis m. subscapularis m. (upper + lower subscapular nn. (upper + lower subscapular nn. - C5, C6)- C5, C6)
4)4) teres minor m. teres minor m. (axillary n. - C5, C6)(axillary n. - C5, C6)
5)5) teres major m. teres major m. (lower subscapular n. - C5, C6)(lower subscapular n. - C5, C6)
6)6) deltoid m. deltoid m. (axillary n. - C5, C6)(axillary n. - C5, C6)
Intrinsic shoulder mm.
Grant’s Atlas of Anatomy 8th ed
Gra
nt’
s A
tlas
8th e
d
Netter’s Atlas of Human Anatomy 2nd ed
rotator cuff musculature
Netter’s Atlas 2nd ed
Grant’s Dissector 13th ed
Anterior
musculocutaneous n.
Humerus
radial n.
UlnaRadius
median n. & ulnar n.
radial n.(including ECRL & brachioradialis mm.)
5th metacarpal
ulnar n. & median n.
Anterior
Anterior
Posterior
Posterior
Posterior(including a portion of the brachialis m.)
Muscle Compartments of the Upper Limb - arm
Grant’s Dissector 13th ed
brachiumbrachium
biceps brachii biceps brachii m.m.
long headlong head
short short headhead
brachialis m.brachialis m. coracobrachialcoracobrachial
is m.is m.
triceps brachii triceps brachii m.m.
lateral lateral headhead
medial medial headhead
long headlong head anconeus m.anconeus m.
antr compartment
postr compartment
musculocutaneous n.
(C5-C7)
Netter’s Atlas of Human Anatomy 2nd ed
biceps brachii m. (C5, C6)
brachialis m. (C5, C6)
coracobrachialis m. (C5-C7)
axillary n. (C5-C6)
radial n. (C5-T1)
Netter’s Atlas of Human Anatomy 2nd ed
deltoid m. (C5, C6)teres minor m. (C5, C6)
triceps brachii m. (C6-C8)anconeus m. (C7, C8)
(brachialis m. C5, C6)
Grant’s Dissector 13th ed
Grant’s Dissector 13th ed
Anterior
musculocutaneous n.
Humerus
radial n.
UlnaRadius
median n. & ulnar n.
radial n.(including ECRL & brachioradialis mm.)
5th metacarpal
ulnar n. & median n.
Anterior
Anterior
Posterior
Posterior
Posterior(including a portion of the brachialis m.)
Muscle Compartments of the Upper Limb - forearm
Grant’s Dissector 13th ed
Anterior
musculocutaneous n.
Humerus
radial n.
UlnaRadius
median n. & ulnar n.
radial n.(including ECRL & brachioradialis mm.)
5th metacarpal
ulnar n. & median n.
Anterior
Anterior
Posterior
Posterior
Posterior(including a portion of the brachialis m.)
Muscle Compartments of the Upper Limb - forearm
(FCU & ulnar ½ FDP)
Grant’s Dissector 13th ed
antebrachium antebrachium
pronator teres m.pronator teres m. flex. carpi radialis m.flex. carpi radialis m. palmaris longus m.palmaris longus m. flex. carpi ulnaris m.flex. carpi ulnaris m. flex. digit. superf. m.flex. digit. superf. m. flex. digit. profund. m.flex. digit. profund. m. flex. pollicis longus m.flex. pollicis longus m. pronator quadratus m.pronator quadratus m.
brachioradialis m.brachioradialis m. ext. carpi radialis longus ext. carpi radialis longus
m.m. ext. carpi radialis brevis m.ext. carpi radialis brevis m. ext. carpi ulnaris m.ext. carpi ulnaris m. extensor digitorum m.extensor digitorum m. extensor digiti minimi m.extensor digiti minimi m. extensor indicis m.extensor indicis m. abd pollicis longus m.abd pollicis longus m. ext. pollicis longus/brevis ext. pollicis longus/brevis
m.m. supinator m.supinator m.
antr compartment
postr compartment
antebrachium antebrachium
pronator teres m. pronator teres m. (C6, C7)(C6, C7)
flex. carpi radialis m. flex. carpi radialis m. (C6, (C6, C7)C7)
palmaris longus m. palmaris longus m. (C7, C8)(C7, C8)
flex. carpi ulnaris m. flex. carpi ulnaris m. (C7, C8)(C7, C8)
flex. digit. superf. m. flex. digit. superf. m. (C7, C8, (C7, C8, T1)T1)
flex. digit. profund. m. flex. digit. profund. m. (C7, (C7, C8, T1)C8, T1)
flex. pollicis longus m. flex. pollicis longus m. (C8, (C8, T1)T1)
pronator quadratus m. pronator quadratus m. (C8, (C8, T1)T1)
antr compartment (median & ulnar nn.)
antebrachium antebrachium
pronator teres m. pronator teres m. (C6, C7)(C6, C7)
flex. carpi radialis m. flex. carpi radialis m. (C6, (C6, C7)C7)
palmaris longus m. palmaris longus m. (C7, C8)(C7, C8)
flex. carpi ulnaris m. flex. carpi ulnaris m. (C7, C8)(C7, C8)
flex. digit. superf. m. flex. digit. superf. m. (C7, C8, (C7, C8, T1)T1)
flex. digit. flex. digit. profund. m. profund. m. (C7, (C7, C8, T1)C8, T1)
flex. pollicis longus m. flex. pollicis longus m. (C8, (C8, T1)T1)
pronator quadratus m. pronator quadratus m. (C8, (C8, T1)T1)
antr compartment (median & ulnar nn.)
ulnar n. (C7-T1)
Netter’s Atlas of Human Anatomy 2nd ed
flex carpi ulnaris m.
medial ½ FDP
+ 14 intrinsic hand
muscles
median n. (C5-T1)
Netter’s Atlas of Human Anatomy 2nd ed
PT, FCR, PL, FDS, lat ½ FDP, FPL, PQ
+ 5 intrinsic handmuscles
antebrachium antebrachium
brachioradialis m. brachioradialis m. (C5, C6)(C5, C6) ext. carpi radialis longus m. ext. carpi radialis longus m. (C6, C7)(C6, C7) ext. carpi radialis brevis m. ext. carpi radialis brevis m. (C6, C7 or C7, C8)(C6, C7 or C7, C8)
ext. carpi ulnaris m. ext. carpi ulnaris m. (C7, C8)(C7, C8)
extensor digitorum m. extensor digitorum m. (C7, C8)(C7, C8)
extensor digiti minimi m. extensor digiti minimi m. (C7, C8)(C7, C8)
extensor indicis m. extensor indicis m. (C7, C8)(C7, C8)
abd pollicis longus m. abd pollicis longus m. (C7, C8)(C7, C8)
ext. pollicis longus/brevis m. ext. pollicis longus/brevis m. (C7, C8)(C7, C8)
supinator m. supinator m. (C5, C6)(C5, C6)
postr compartment (radial n. C5-T1)
radial n. (C5-T1)
Netter’s Atlas of Human Anatomy 2nd ed
triceps brachii m., anconeus m.
(brachialis m.)
BR, ECRL, ECRB, ED, EDM, supinator, ECU, EI, AbdPL, EPL, EPB
Grant’s Atlas of Anatomy 11th ed
Grant’s Dissector 13th ed
Anterior
musculocutaneous n.
Humerus
radial n.
UlnaRadius
median n. & ulnar n.
radial n.(including ECRL & brachioradialis mm.)
5th metacarpal
ulnar n. & median n.
Anterior
Anterior
Posterior
Posterior
Posterior(including a portion of the brachialis m.)
Muscle Compartments of the Upper Limb - hand
(FCU & ulnar ½ FDP)
Grant’s Dissector 13th ed
Anterior
musculocutaneous n.
Humerus
radial n.
UlnaRadius
median n. & ulnar n.
radial n.(including ECRL & brachioradialis mm.)
5th metacarpal
ulnar n. & median n.
Anterior
Anterior
Posterior
Posterior
Posterior(including a portion of the brachialis m.)
Muscle Compartments of the Upper Limb - hand
(FCU & ulnar ½ FDP)
(thenar mm. & 1st, 2nd lumbricals)
intrinsic hand muscles intrinsic hand muscles (C8, (C8,
T1)T1)
7 interosseii mm. (4 dorsal/3 palmar)7 interosseii mm. (4 dorsal/3 palmar) 4 lumbrical mm. (1, 2, 3, 4)4 lumbrical mm. (1, 2, 3, 4) palmaris brevis m.palmaris brevis m. adductor pollicis m.adductor pollicis m. three thenar mm. (OP, abd.PB, FPB)three thenar mm. (OP, abd.PB, FPB) three hypothenar mm. (ODM, three hypothenar mm. (ODM,
abd.DM, FDMB)abd.DM, FDMB)
intrinsic hand muscles intrinsic hand muscles ((median median & & ulnarulnar nn.) nn.)
7 interosseii mm. (4 dorsal/3 palmar)7 interosseii mm. (4 dorsal/3 palmar) 4 lumbrical mm. (4 lumbrical mm. (11, , 22, 3, 4), 3, 4) palmaris brevis m.palmaris brevis m. adductor pollicis m.adductor pollicis m. three thenar mm. (OP, abd.PB, three thenar mm. (OP, abd.PB,
FPB)FPB) three hypothenar mm. (ODM, abd.DM, three hypothenar mm. (ODM, abd.DM,
FDMB)FDMB)
upper limb -
cutaneous innervation
Netter’s Atlas of Human Anatomy 2nd ed
upper limb –
dermatome pattern
Netter’s Atlas of Human Anatomy 2nd ed