The Fibula

Question 1

In relation to the tibia where is the fibula found?

Answer 1

Laterally

Question 2

What is the main function of the fibula and how does this differ from the tibia’s main function?

Answer 2

Muscle attachment

Tibias main function is weight bearing

Question 3

How does the fibula articulate with the lateral condyle of the tibia?

Answer 3

It has an enlarged head (proximally) which contains a facet (on the medial side)

Question 4

Where can the common fibula nerve be found?

Answer 4

On the posterior and lateral surface of the fibula neck

Question 5

Distally the lateral surface of the fibula continues inferiorly, what is this bony structure called?

Answer 5

Lateral malleolus

Question 6

Which of the two malleolus found at the ankles is most prominent and which bone is it part of?

Answer 6

Lateral malleolus

Part of the fibula

Question 7

What are the types of fractures that can happen to the lateral malleolus of the fibula and how do they occur?

Answer 7

Spiral fracture- external rotation of ankle forces talus against bone

Travers fracture- eversion (foot twisting outwards) causing the talus to push against the lateral malleolus