Q. The arrow points toward a fracture in knee MRI coronal section below, which clinical test is least valuable to ascertain associated injuries ?
a. Valgus/varus test
b. Anterior drawer test
c. Lachman test
d. Pivot shift test
Answer -
a
The tibial tubercle/ tibial spine avulsion fracture shown here is likely to be associated with Anterior cruciate ligament injury as the attachment site of this ligament is involved.
All clinical tests except option a relate to this ligament.
If question is asked in different way like 'which test to be performed in this case' then the choice between anterior drawer and lachman is there.
Lachman is better test than anterior drawer and it is less painful also in trauma settings as the knee flexion required to do the test is 45degrees as compared to 90 degrees in anterior drawer test.
a. Valgus/varus test
b. Anterior drawer test
c. Lachman test
d. Pivot shift test
Answer -
a
The tibial tubercle/ tibial spine avulsion fracture shown here is likely to be associated with Anterior cruciate ligament injury as the attachment site of this ligament is involved.
All clinical tests except option a relate to this ligament.
If question is asked in different way like 'which test to be performed in this case' then the choice between anterior drawer and lachman is there.
Lachman is better test than anterior drawer and it is less painful also in trauma settings as the knee flexion required to do the test is 45degrees as compared to 90 degrees in anterior drawer test.
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