Nerve Distributions

Question 1

Monteggia Fx

Answer 1

Radial (dorsum sensation, extension)

Question 2

Galeazzi Fx

Answer 2

Ulnar (sensation for 4th and 5th fingers)

Question 3

Nightstick Fx

Answer 3

Radial nerve

Question 4

Supracondylar Fx

Answer 4

Median nerve

Question 5

Humeral Head Fx

Answer 5

Axillary if proximal (shoudler abduction)
Radial if distal

Question 6

Hip Dislocation

Answer 6

Anterior - femoral (ant thigh sensation)
Posterior - sciatic (knee flexion and hip abduction)

Question 7

Knee Dislocation

Answer 7

Peroneal (foot drop, front/lateral lower leg sensation)

Question 8

Tibial Plateau Fx

Answer 8

Deep peroneal (1st and 2nd toe webspace)

Question 9

L1

Answer 9

Groin sensation / hip flexion

Question 10

L2

Answer 10

Lat and anterior thigh sensation / hip flexion

Question 11

L3

Answer 11

Medial thigh sensation

Patellar reflex, knee extension

Question 12

L4

Answer 12

Medial lower leg

Patellar reflex, dorsiflexion

Question 13

L5

Answer 13

Lateral lower leg and 1st/2nd toe sensation

Ankle reflex

great toe extension

Question 14

S1

Answer 14

Posterior leg / lateral toe sensation

Ankle reflex

Plantar flexion