Teaching T&O 07/05

Question 1

Ligaments that keep ankle in place

Answer 1

• Interosseus membrane
• Lateral ligamentous complex - talofibular ligament, calcaneofibular ligament
• Syndesmosis - Anterior inferior tibiofibular ligament (AITFL) and posterior tibiofibular ligament (PITFL)
• Medial - deltoid

Question 2

MOI for injury

Answer 2

• Inversion or eversion - sporting injury

Question 3

How to check if ankle is stable/unstable?

Answer 3

• Check mortise
• Space should be equal all 3 sides - stable #

Question 4

Management stable #

Answer 4

• Orthopedic boot
• Allow walking
• Repeat x-rays in few weeks time

Question 5

Describing ankle radiograph

Answer 5

• Describe where talus has shifted
• eg talus shift laterally

Question 6

Surgical management options

Answer 6

• Syndesmotic screws - screw through syndesmosis
• External fixation
• ORIF

Question 7

How to check if need to surgically manage Weber B

Answer 7

• Weight bearing x-rays - check if talar shift
• If none - stable, manage conservatively

Question 8

Main aim # treatment

Answer 8

• Reduce - restore bones to anatomical position
• Hold - maintain reduce position until bone union or healing of soft tissues
• Rehabilitate - full ROM and strength

Question 9

Managment of post-traumatic osteoarthritis of ankle joint

Answer 9

• Ankle fusion
• Ankle joint replacement

Question 10

Cause of posterior malleolus #

Answer 10

Avulsion from rupture of posterior inferior tibiofibular ligament