Lumbar Plexus

Question 1

Femoral nerve
L4, L5, L6 (dog)
L3, L4, L5, L6 (horse)

Answer 1

Motor: Iliopsoas, Quadriceps, Sartorius
Sens: Médial stifle jt
Fc: Extend stifle, Flex Hip
*Évalué par reflex patellar

Question 2

Obturateur Nerve
(L4), L5, L6 (dog)
L4, L5, L6, S1 (horse)

Answer 2

Motor: Adductor, Pectinus, Gracilis, Ext obturator
Fc: Adduct hind limb

Question 3

Cranial gluteal nerve
L6, L7, S1 (dog)
L6, S1, S2 (horse)

Answer 3

Motor: Middle and deep gluteal, TFL
Fc: Flex/Extension/Abduction hip

Question 4

Caudal gluteal nerve
L7, S1, S2 (dog)
L6, S1, S2 (horse)

Answer 4

Motor: Superficial glut, piriformis
Fc: Extend hip, Abduct hind limb

Question 5

Sciatic nerve
L6, L7, S1, S2 (dog)
L5, L6, S1, S2 (horse)

Answer 5

Motor: Biceps femoris, Semimembraneux, Semitendineux
Fc: Extend hip, Flex/Ext Stifle, Extend hock
*Évalué par flexor reflex

Question 6

Common peroneus/Fibular nerve

Answer 6

Motor: (Deep) Cranial tibial, Peroneus longus, L. digital ext
(Sup) L. digital ext, Peroneus brevis
Fc: Flex hock, Extend digits

Question 7

Tibial nerve

Answer 7

Motor: Gastroc, popliteus, SDF, DDF
Fc: Extend hock, Flex digits

Question 8

Pudental nerve
S1, S2, S3 (dog)
S2, S3, S4 (horse)

Answer 8

Motor: urethral muscle
Fc: control continence urin.

Question 9

Caudal rectal nerve
S1, S2, S3 (dog)
S4, S5 (horse)

Answer 9

Motor: External sphincter anal
Fc: Control continence anal/fecal