Lecture27: Lower Limb Nerve Injury

Question 1

What are the manifestations of obturator nerve injury?

Answer 1

Weakness of adduction as well as a swinging of the limbs during movement

Question 2

Name a cause of obturator nerve injury?

Answer 2

Pressure from the fetal head during pregnancy

Question 3

What causes sciatica?

Answer 3

A herniated disk compressing the sciatic nerve

Question 4

What are manifestations of injury to the sciatic nerve?

Answer 4

Foot drop, along with sever failure of hip flexion and knee extension

Question 5

Which nerve does piriformis syndrome irritate?

Answer 5

Sciatic nerve

Question 6

What injures the common peroneal nerve?

Answer 6

Fracture of the neck of fibula or entrapment by leg casts

Question 7

What is the resulting deformity from common peroneal nerve injury?

Answer 7

The foot is plantarflexed and inverted

Question 8

What is characteristic of deep peroneal nerve injury?

Answer 8

High steppage gait

Question 9

What is a common way of injuring the deep peroneal nerve?

Answer 9

Wearing tight ski boots

Question 10

Injury to the superficial peroneal nerve leads to?

Answer 10

Loss of sensation over most of the dorsum of the foot + LOSS of foot eversion

Question 11

What does tibial nerve injury lead to?

Answer 11

Loss of plantar flexion and inversion

Question 12

What is Tarsal Tunnel Syndrome?

Answer 12

Due to entrapment of the tibial nerve in the tarsal tunnel