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1. Which factor described below accounts for transverse plane external rotation of the tibial condyles relative to the femoral condyles, as the knee approaches terminal extension, just prior to heel strike?
a. extension is blocked in the lateral tibiofemoral joint before the medial tibiofemoral joint because the medial femoral condyle is longer than the lateral femoral condyle
b. extension is blocked in the medial tibiofemoral joint before the lateral tibiofemoral joint because the lateral femoral condyle is longer than the medial femoral condyle
c. the patellofemoral joints guides the tibia into external rotation
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Analysis
| The Answer is: a |
2. What is the functional role of the semi-lunar menisci in the knee?
a. seat the femoral condyles to the tibial condyles
b. distribute the loading (compressive) forces from femur to tibial more broadly
c. attenuate loading forces
d. all of the above
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Analysis
Click here to see an arthroscopic view of a torn medial meniscus
| The Answer is: d |
Posted December 3, 2000