Part 13: Summary of LL Nerve Injuries

Question 1

Femoral nerve injuries are more likely to occur where?

Answer 1

Breaks shortly after entering leg so injuries are more likely to be abdominal. Can cause all quads extension to be lost.

Question 2

Lateral femoral cutaneous nerve may be damaged how?

Answer 2

May be compressed passing from abdomen to thigh producing parathesia over lateral aspect of thigh

Question 3

Obturator nerve damage occurs when?

Answer 3

Most likely obstetric cause - loss would impede crossing of legs

Question 4

What would signs of sciatic injury be?

Answer 4

Paralysis of hamstrings, all muscles in leg and foot and loss of sensation below knee except for medial side (saphenous nerve)

Question 5

Common peroneal nerve injuries occur when?

Answer 5

Injury from pressure over lateral aspect of upper fibula. Most obvious sign is foot drop with high stepping gait.