Ankle Fracture:
- common injuries, usually caused by the ankle rolling inward/outward or a crush type injury (e.g. car accident or hard landing)
weber classification (based on involvement of fibula):
- fibula fractured below the tibio-fibula syndesmosis (as a result of an abduction or adduction injury), the syndesmosis (tibio-fibula) ligaments are intact, these fractures are usually stable after reduction
- oblique fibular fracture starting at level of the syndesmosis/joint line, the syndesmosis ligaments can be damaged, but are usually intact
- fibular fracture above the syndesmosis, usually due to abduction injury, these are unstable fractures therefore can lead to rupture of syndesmosis ligaments
- N.B. you also need to assess for talar shift = joint widening between the tibia & the talus on the medial side of the ankle = deltoid ligament maybe damaged = unstable fracture
- treatment: analgesia, reduction (in A&E if any neurovascular damage), bloods (if surgery required), NBM, surgery (unstable fractures will require open reduction & internal fixation)

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AP view of ankle fracture |
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Fixation of ankle fracture |