LE Innervation

Question 1

Dermatomes:

L2 = __ thigh (upper)
L3 = __ thigh (lower
L4 = __ thigh and __ knee
L5 = lat lower leg + top of __
S1 = __ leg (more lat)
S2 = __ leg (more medial)

Answer 1

medial
medial
lat; ant
foot
post
post

Question 2

which 3 nerves are only sensory

Answer 2

lat fem cut
sural
saphenous

Question 3

review pictures on Apex

Question 4

Name each n the controls the following:

hip flexion: __
hip extension: __
knee flexion: ___
knee extension: __

Answer 4

fem
sciatic
sciatic
fem

Question 5

Name each n the controls the following:

plantar flex: ___
dorsiflex: ___
eversrion: ___ ___
inversion: ___ ___

Answer 5

tibial
peroneal
superficial peroneal
deep peroneal

Question 6

fem n is responsible from what 2 movements

Answer 6

hip flex
knee entend

Question 7

sciatic n is responsible for what 2 movements?

Answer 7

hip extend
knee flex

Question 8

tibial n is responsible for what movement

Answer 8

plantar flex

Question 9

peroneal n is responsible for what movement

Answer 9

dorsiflex

Question 10

superficial peroneal n is responsible for what movement

Answer 10

eversion

Question 11

deep peroneal n is responsible for what movement

Answer 11

inversion