► Back
Surface
Skeleton
Muscles
Cutaneous innervation
L 4
L 5
5 1
5 2
N . a u ric u laris m a g n u s , R p o s te rio r (P le x u s c erv ica lis )
N . o c cip italis m in o r (P le x u s c erv ica lis )
N n . s u p ra c la v ic u la re s la té ra le s (P le x u s c erv ica lis )
N . c u ta n e u s brachii
la te ra lis s u p erio r
(N . a xillaris)
N . c u ta n e u s
brach ii latera lis
inferio r (N . ra d ialis)
Rr. c u ta n e i la té ra le s
(N n . s p in a le s , N n . in te rco s ta les )
R . c u ta n e u s latera lis
(P le x u s lu m b alis, N . ilio h yp o g astricu s)
N n . c lu n iu m s u p erio re s
(N n . s p in a le s L 1 -L 3 ,
R r. p o s te rio re s )
N n . clun ium m edii (N n . s p in ale s
S 1 - S 3 , Rr. p o s te rio re s )
N n . c lu n iu m in fe rio re s
(N . c u ta n e u s fe m o ris p o s te rio r)
N . c u ta n e u s fe m o ris latera lis (P le x u s lum balis)
N . c u ta n e u s fe m o ris p o s te rio r (P le x u s lu m b alis )
N . c u ta n e u s brachii
p o s te rio r (N . rad ialis)
(R r. c u ta n e i m e d ia le s e t la té ra le s )
(N n . s p in a le s C 4 -L 1 , R r. p o s te rio re s )
Fig. 811
Segmental cutaneous innervation (dermatomes)
and cutaneous nerves of the back.
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