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Which of the following best describes normal tibio-femoral joint kinematics ?
The femur undergoes internal rotation with knee flexion
The lateral femoral condyle remains stationary on the lateral tibia plateau during knee flexion from 0 to 120 degrees
The tibia undergoes internal rotation with knee flexion
The medial femoral condyle moves posteriorly on the medial tibial plateau during knee flexion from 0 to 120 degrees
Beyond 120 degrees of flexion only the lateral femoral condyle participates in femoral rollback
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Significant anterior tibial translation occurs during which of the following rehabilitation exercises?
Terminal weight-bearing knee extension
Terminal non-weight-bearing knee extension
Terminal weight-bearing knee flexion
Terminal non-weight-bearing knee flexion
Mid-range weight-bearing knee flexion
What is the most accurate description of the relationship between gender and knee loading during landing while playing basketball?
Males have greater total valgus knee loading.
Females have greater total valgus knee loading.
Males have greater total varus knee loading.
Females have greater total varus knee loading.
There is no gender difference in total varus or valgus knee loading.
Which of the following motions shows the greatest difference between a normal and ACL deficient knee?
Posterior femoral translation at 30° flexion
Posterior femoral translation at 60° flexion
Axial rotation in full extension
Axial rotation at 50° flexion
Varus angulation at 30 ° flexion