ABFAS - Trauma Exam: 100% Expert Verified Study Guide
Real Testing 2026|2027 Questions Detailed Answers and
Instructor Note For A+ Guaranteed Pass
Fracture of the posterior tibia (posterior malleolus) from the posterior inferior tibiofibular
ligament. - Answers -Volkmann's
Lauge Hansen Classification:
Rupture of lateral collateral ligaments or classic transverse avulsion fracture of lateral malleolus.
The fracture is transverse (horizontal) at or below the ankle joint level. - Answers -Supination-
Adduction Stage I
Lauge Hansen Classification:
With further force of talus, there is an abutment of talus against the medial malleolus causing a
short oblique fracture (classic vertical fracture of the medial malleolus). - Answers -Supination-
Adduction Stage II
Lauge Hansen Classification
The tibial-fibular syndesmosis and syndesmotic ligaments are always intact in this fracture
pattern. - Answers -Supination-Adduction
Lauge Hansen Classification
1|Page
,Rupture of the deltoid ligament or transverse avulsion fracture of medial malleolus. - Answers -
Pronation Abduction Stage I
Lauge Hansen Classification
Rupture of the anterior and posterior inferior tibial-fibular ligaments or avulsion of small
fragments of bone from tibial or fibula. - Answers -Pronation Abduction Stage II
Lauge Hansen Classification
Classic short oblique fracture of the lateral malleolus. - Answers -Pronation Abduction Stage III
Lauge Hansen Classification
Disruption of the anterior-inferior tibial-fibular ligaments or avulsion fractures of Wagstaffe or
Chaput-Tillaux - Answers -SER Type I
Lauge Hansen Classification
Classic spiral fracture of the lateral malleolus, beginning at the joint line. The fracture line runs
laterally from anterior inferior to superior posterior. - Answers -SER Type II
Lauge Hansen Classification
Disruption of posterior-inferior tibial-fibular ligaments or avulsion fracture of the posterior
inferior portion of the tibia from Volkman triangle (posterior malleolus). - Answers -SER Type III
2|Page
, Lauge Hansen Classification
Rupture of deltoid ligaments or transverse fracture of medial malleolus. - Answers -SER Type IV
Lauge Hansen Classification
Disruption of deltoid ligament or transverse avulsion fracture of medial malleolus occuring with
external rotation. - Answers -PER Type I
Lauge Hansen Classification
Rupture of anterior-inferior tibial-fibular ligament or fracture of Wagstaf or Tillaux-Chaput. -
Answers -PER Type II
Lauge Hansen Classification
Interosseous membrane torn above syndesmosis and below fibular head and then a classic high
fibular fracture occurs approx. 4-5 cm above joint line. - Answers -PER Type III
Lauge Hansen Classification
Disruption of posterior-inferior tibial-fibular ligaments or avulsion fracture of tibia (Volman) or
fibula - Answers -PER Type IV
Lauge Hansen Classification
3|Page
Real Testing 2026|2027 Questions Detailed Answers and
Instructor Note For A+ Guaranteed Pass
Fracture of the posterior tibia (posterior malleolus) from the posterior inferior tibiofibular
ligament. - Answers -Volkmann's
Lauge Hansen Classification:
Rupture of lateral collateral ligaments or classic transverse avulsion fracture of lateral malleolus.
The fracture is transverse (horizontal) at or below the ankle joint level. - Answers -Supination-
Adduction Stage I
Lauge Hansen Classification:
With further force of talus, there is an abutment of talus against the medial malleolus causing a
short oblique fracture (classic vertical fracture of the medial malleolus). - Answers -Supination-
Adduction Stage II
Lauge Hansen Classification
The tibial-fibular syndesmosis and syndesmotic ligaments are always intact in this fracture
pattern. - Answers -Supination-Adduction
Lauge Hansen Classification
1|Page
,Rupture of the deltoid ligament or transverse avulsion fracture of medial malleolus. - Answers -
Pronation Abduction Stage I
Lauge Hansen Classification
Rupture of the anterior and posterior inferior tibial-fibular ligaments or avulsion of small
fragments of bone from tibial or fibula. - Answers -Pronation Abduction Stage II
Lauge Hansen Classification
Classic short oblique fracture of the lateral malleolus. - Answers -Pronation Abduction Stage III
Lauge Hansen Classification
Disruption of the anterior-inferior tibial-fibular ligaments or avulsion fractures of Wagstaffe or
Chaput-Tillaux - Answers -SER Type I
Lauge Hansen Classification
Classic spiral fracture of the lateral malleolus, beginning at the joint line. The fracture line runs
laterally from anterior inferior to superior posterior. - Answers -SER Type II
Lauge Hansen Classification
Disruption of posterior-inferior tibial-fibular ligaments or avulsion fracture of the posterior
inferior portion of the tibia from Volkman triangle (posterior malleolus). - Answers -SER Type III
2|Page
, Lauge Hansen Classification
Rupture of deltoid ligaments or transverse fracture of medial malleolus. - Answers -SER Type IV
Lauge Hansen Classification
Disruption of deltoid ligament or transverse avulsion fracture of medial malleolus occuring with
external rotation. - Answers -PER Type I
Lauge Hansen Classification
Rupture of anterior-inferior tibial-fibular ligament or fracture of Wagstaf or Tillaux-Chaput. -
Answers -PER Type II
Lauge Hansen Classification
Interosseous membrane torn above syndesmosis and below fibular head and then a classic high
fibular fracture occurs approx. 4-5 cm above joint line. - Answers -PER Type III
Lauge Hansen Classification
Disruption of posterior-inferior tibial-fibular ligaments or avulsion fracture of tibia (Volman) or
fibula - Answers -PER Type IV
Lauge Hansen Classification
3|Page
