Nerve Injuries

Question 1

What would occur if there was an injury to the femoral nerve?

Answer 1

wasting of anterior thigh, leg drop (inability to extend leg when thigh is flexed)

weakness in thigh flexion (loss of RF, Sar, Pect)

sensory loss anterior thigh and medial leg/foot

Question 2

What would occur if injury to obturator nerve?

Answer 2

wasting of medial thigh, loss of thigh adduction; sensory loss upper medial thigh

Question 3

What would occur with injury to superior gluteal nerve?

Answer 3

Trendelenburg sign (pelvis tilts down on side opposite injury) no sensory loss

Question 4

What would occur with injury to inferior gluteal nerve?

Answer 4

wasting of buttock, weakness in thigh extension, no sensory loss

Question 5

What would occur with injury to sciatic nerve?

Answer 5

wasting of hamstring muscles and muscles of leg and foot; sensory loss to back of thigh and leg, lateral leg and plantar foot

Question 6

What would occur with an injury to the common fibular nerve?

Answer 6

foot drop and loss of toe extension;

sensory loss lateral leg and dorsum of foot

Question 7

What would occur with an injury to tibial nerve?

Answer 7

loss of foot and toe flexion, loss of foot inversion, wasting of calf muscles; sensory loss on sole of foot and tips of toes