CONTROL OF JOINTS 
TABLE 2 
Paralysis of dorsal flex. of left paw Poor on 
and ankle 
Direct stimulation evoked no re- 
sponse in left E. P. 
Paralysis of dorsal flexion of right 
paw and ankle. 
of rt. hip and knee 
Direct stimulation evoked no re- 
sponse in right E. P. 
Paralysis of rt. paw and ankle and 
of dorsal flex. of left paw and 
ankle. Weak extension of rt. 
hip and knee and some weakness 
of It. hip and knee 
Direct stimulation evoked no re- 
sponse in either E. P. and very 
slight (of toes only) in rt. I. P. 
Slight weakness in dorsal flex. of 
rt. paw and ankle 
Paralysis of entire left leg except 
for flex. of hip. Weak extension 
of knee and weak flex. of hip on 
right 
Weakness of gluteals and hamstrings 
on rt. hip flexed and knee straight 
and stiff 
Paw paralyzed and flaccid 
Spastic loss of control of hind parts 
from pelvis down. 
erector spinae, glutei and quadri- 
ceps. Hamstrings fairly good 
Flaccid paralysis of hind parts from 
pelvis down, 
Paralysis of tail and slight weakness, 
in dorsal flex. of rt. paw. 
Paralysis of tail 
masronne oF | arte tor —— oe 
oo. (pax) Knee jerk Anal Anus | Bladder 
No test Absent on | Sluggish N N 
both legs left 
Poor on Poor on Absent on | Sluggish N N 
Weak extension rt. leg right right 
Poor on Poor on Absent on | Sluggish N Weak 
rt. leg right right 
Weak on 
left 
N N N Sluggish N N 
Poor on No test Absent on | Sluggish N N 
left left 
Weak on 
right 
Poor on Poor on Absent on N N N 
right right right 
Poor on N N N N N 
Weakness of left 
Poor on No test Absent on | No test Weak Weak 
both both 
Poor on Poor on N Sluggish Weak Weak 
tail tail 
On legs 
N 
Poor on Poor on N Sluggish N Weak 
tail tail 
CORD AND ROOT INVOLVEMENT 
(See diagrams) 
POSITIVE CONCLUSIONS FOR INDIVIDUAL 
In upper 7th L. seg. post. horns and cols. on both sides. 
On left, lat. col. and upper 7 of ant. horn. In Ist S. seg. 
cent. part of grey matter on left. In 5th, 6th, 7th and Ist 
S. seg. postero-mesial col. 5th and 6th post. roots. 
In mid. 4th L. seg., lower part of rt. ant. horn and adjoining 
col. Inhigh 5th L. seg., entire rt. ant. horn and adjoining 
col. In low. 5th L, seg., entire rt. half of cord except ant. 
mesial col. In mid. 6th L. seg., whole cord except ant. 
cols. and lower part of lt. lat. In upper 7th rt. ventro- 
mesial col. very narrow 4th, 5th and 6th rt. ant. roots. 
In upper 5th L. seg., rt. side of cord except pyram. tract, also 
It. ant. horn. In low. 5th L. seg. rt. sideofcord. Inmid. 
6th whole cord except It. ant. col. and small part of It. 
ant. horn. In upper 7th inner } of rt. ant. horn. 
5th and part of 6th rt. and lt. ant. and post. roots and 4th 
rt. ant. root. 
In mid. 6th all of grey matter and dorsal and ventral cols. 
which are partly spared on left. In upper 7th rt. ant. 
horn, rt. lat. col., both ant. cols. and lower ¢ of It. ant. 
horn. 6th rt. post. and 6th and 7th rt. ant, roots. 
In upper 6th whole left of cord, and dorso- and ventro-mesial 
cols. and inner part of grey matter onrt. In low. 6th lt. 
ant. horn and It. antero-lat. col.; also inner part of rt. ant. 
horn. In low.7th outer part of It. ant. horn and It. antero- 
lat. col. In 2d Sac. grey matter about central canal. 5th 
6th, 7th and 1st It. ant. roots; 5th and 6th It. post. roots; 
6th rt. ant. root. 
In mid. 6th dorsal cols. and inner part of base of rt. post. 
horn. In upper 7th rt. side of cord and dorsal col. and 
inner part of grey matter onlt. In 1st Sac. rt. side of cord 
and inner part of It. ant. horn. 6th and 7th rt. post. horns. 
In mid. 4th rt. ant. horn. In upper 5th It. post. and all of 
antero-mesial cols. rt. ant. horn, most of lt. grey matter. In 
mid. 5th all of cord except rt. post.horn. Inlow.5th whole 
cord. Inhigh 6th lt. of cord. In mid. 6th ant. cols. and lower 
part of ant. horns. 4th, 5th, and part of 6th rt. and It. 
ant. roots 4th It. post. root. 
In mid. 5th, base of dorsal cols. part of rt. ant. root. In 
low. 5th, all of grey matter and dorsal and vent. cols. ex- 
cept left post. horn and small part of vent. col. adjoining. 
In mid. 6th all of grey matter and rt. ventral and lat. cols. 
In mid. 7th rt. ant. horn and inner part of lt. grey matter. 
5th, 6th and part of 7th rt. It. ant. roots, rt. 5th post. root. 
In mid. 6th dorso-mesial col. In mid. 7th rt. side of cord, 
dorso- and ventro-mesial cols. and inner part of lt. grey 
matter. In low Ist Sac., whole of cord (conus). 5th and 
6th rt. ant. and post. roots. 
In upper 7th, all of grey matter except It. post. horn; also 
vent. cols. and lower part of rt. lat. col. and rt. dorsal 
col. In lower 7th entire cord (conus). 
Dorsal flexion of paw and ankle (E. P.), in dorsal part of 
ant. horn of upper 7th L. 
Dorsal flexion of paw and ankle (E. P.)—in lower 6th L. 
1. P. control lower (in 7th) 
Extens. of hip and knee in 5th 
Gap between centers of lower and upper leg, perhaps con- 
taining centers of hamstrings 
Dorsal flex. of paw and ankle (E. P.) in mid. 6th 
Plantar flex. of paw and ankle (I, P. ) in inner dorsal part of 
ant. horn of upper 7th 
Extens. of hip and knee in 5th 
Dorsal flex. of paw and ankle (E. P. ) partly in upper 7th. 
Gap between centers of lower and upper leg 
Control of most of leg in 5th seg. and those below 
Point sensation passes through 5th post. root 
Sciatic centers in 7th L. and Ist Sac. 
Some crural and gluteal centers in upper 5th. Hamstrings 
below mid. 6th 
Transection in lower 5th cuts off brain control of lower leg 
Point sensation passes through 4th post. root 
Heat-pain sensation above mid. 5th 
K.J. anal reflex, control of sphincters below upper 6th 
Control of hind parts including sensation, K.J.’s and sphinc- 
ters in 5th to 7th inclusive 
Control of motion and sensation to point and heat-pain in 
tail in 7th L. and Ist S. 
Anal reflex and control of sphincters in 7th L. and Ist Sac. 
Control of motion and sensation to point and heat-pain in 
tail in 7th L. 
Anal reflex and control of bladder in 7th L. 
Letter N = normal. 
THE JOURNAL OF COMPARATIVE NEUROLOGY, VOL, 22, No, 2 
E. P, = external popliteal. I. P. = Internal popliteal 
