MSK - The Fibula

Question 1

In relation to the Tibia, where is the Fibula located?

Answer 1

Laterally

Question 2

Describe it’s articulation with the tibia at the knee joint

What is it’s main function

Answer 2

It does not articulate with the tibia at the knee joint

Due to this, it’s main function is to act as an attachment for muscles

Question 3

Label this diagram

Answer 3

Question 4

What can be found on the posterior and lateral surface of the fibular neck?

Answer 4

Common Fibular Nerve

Question 5

How many surfaces does the fibular shaft have?

Name them

Answer 5

Three

Anterior

Lateral

Posterior

Question 6

Distally, in which direction does the lateral surface continue?

What is this called?

Answer 6

Continues inferiorly

Lateral Malleolus

Question 7

Which malleolus is most prominent?

Where can it be palpated?

Answer 7

Lateral malleolus is more prominent

Lateral side of the leg

Question 8

What has happened here?

Answer 8

Lateral Malleolar Fracture

Question 9

At the ankle, what is prone to fracture?

Answer 9

Lateral Malleolus of the Fibula

Question 10

What are the two ways that the lateral malleolus of the fibula can fracture?

Answer 10

**1) External rotation of the ankle **- his force of the talus against the bone causes a spiral fracture

2) (Less Common) Is the foot being twisted outwards (called eversion) - Talus presses against the lateral malleolus, and this time causes a transverse fracture