MSC Knee test UPDATED ACTUAL Exam Questions and CORRECT Answers

MSC Knee test UPDATED ACTUAL Exam
Questions and CORRECT Answers
The knee is a mechanism of what 3 bones and joins - CORRECT ANSWER - femur, tibia,
patella


Medial tibiofemoral
Lateral tibiofemoral
Paatellofemoral


3 axes of the knee joint - CORRECT ANSWER - Anatomical, Mechanical, Functional



Anatomical axis - CORRECT ANSWER - the line drawn down the center of the medullary
cavity.
-goes through the iam canal


Mechanical axes - CORRECT ANSWER - -From middle of femur down.
-axis of weight bearing joints


Functional axis - CORRECT ANSWER - axis around which limbs rotate



six degrees of motion in the knee - CORRECT ANSWER - extension - flexion
varus - valgus
anterior - posterior
medial - lateral
proximal - distal
internal - external

, primary stabilizers - CORRECT ANSWER - MCL/LCL (varus/valgus)
ACL/PCL (anterior/posterior)


the medial side of the tibia is _____ - CORRECT ANSWER - concave



the lateral side of the tibia is _______ - CORRECT ANSWER - convex



Q angle - CORRECT ANSWER - The angle between the extended anatomical axis of the
femur and the line between the center of the patella and the tibial tubercle


The 3 arcs of motion - CORRECT ANSWER - Screw home arc
Functional arc
Deep flexion arc


Screw home arc - CORRECT ANSWER - 5-10 degrees
passive motion


Functional arc - CORRECT ANSWER - 10-120 degrees
active motion (daily acitivites)


Deep flexion arc - CORRECT ANSWER - 120-160 degrees
passive motion


Passive motion - CORRECT ANSWER - motion generally constrained by ligaments
ex. screw home arc, deep flexion arc


Active motion - CORRECT ANSWER - also constrained by ligaments, but driven and
controlled by muscles