ACL Injury

Question 1

What is a Segond Fracture.

Answer 1

Avulsion fracture of the lateral tibial plateau.

Question 2

What are the signs on x-ray of of ACL tear

Answer 2

Segond Fracture. Anterior Translation of the knee.

Question 3

What is the anatomy of the cruciate ligaments

Answer 3

ACL - Anterior aspect of the intercondylar region of the tibia (blends with the medial menisci to the lateral intercondylar ridge of the femur (intercondylar fossa)

PCL - Posterior aspect of the intercondylar region of the tibia to the medial femoral condyle.

Question 4

What are causes of hemarthrosis

Answer 4

Ligament Rupture
Meniscal Tear
Haematological Disorders
Neoplasms
Ruptured popliteal vessel

Question 5

What is the function of the ACL

Answer 5

The role of the ACL is to stop anterior tibial translation mainly and it also acts as a restraint for tibial rotation and varus/valgus movement.