Lower Limb Nerves

Question 1

Problems from L5

Answer 1

Sural, Tibial, Common Peroneal Nerves all come from L5 so their myotomes will be affected

Question 2

Sciatic nerve

Answer 2

Runs right down both legs
Root is from L4-S3

Question 3

Nerve tests

Answer 3

Slump test
Straight leg raise
Tinnels test below medial malleolus

Question 4

L1 Dermatome and Myotome

Answer 4

Dermatome= over the inguinal ligament
Myotome= N/A

Question 5

L2 dermatome and myotome

Answer 5

dermatome= middle upper thigh
myotome= hip flexors

Question 6

L3 dermatome and myotome

Answer 6

Dermatome= inner upper thigh
Myotome= knee extensors (quads)

Question 7

L4 dermatome and myotome

Answer 7

dermatome= inner lower leg
myotome= Tibialis Anterior

Question 8

L5 dermatome and myotome

Answer 8

dermatome= outside lower leg, dorsal foot
myotome= toe extensors

Question 9

S1 dermatome and myotome

Answer 9

Dermatome= posterior calf, lateral foot
Myotome= peroneals, hamstrings