Lower limb anatomy Flashcards
1
Q
A 35-year-old male is struck on the lateral aspect of his right knee by the bumper of a car travelling at low velocity.
On examination he is unable to dorsiflex the ankle, evert the foot and extend the toes. There is loss of sensation of the dorsum of the foot.
Which structure is he most likely to have damaged?
- Common peroneal nerve
- Deep peroneal nerve
- Saphenous nerve
- Sural nerve
- Tibial nerve
A
Common peroneal nerve
- The common peroneal nerve supplies the muscles of the peroneal and anterior compartments of the leg & sensation to the dorsum of the foot (as the superficial peroneal nerve)
- The Deep peroneal is a division of the common peroneal nerve and supplies only the muscles of the compartment of the anterior leg.
