11 Questions
What is the position of the right knee immediately after landing from a jump?
Valgus and internally rotated
What strongly influences the positions of the femur and tibia in a weight-bearing position?
The position of the right hip
What is the position of the right hip that strongly contributes to the exaggerated valgus and externally rotated position of the knee?
Adducted and internally rotated
What could contribute to the position of the hip described in question 3?
Reduced activation of hip abductor muscles
What muscle is shown in the inset on the left of the drawing?
Quadriceps
What is the line of force of the quadriceps muscle shown in the inset on the left?
Increased tension in the ACL
What is the relative displacement of the patella shown in the inset on the left?
Lateral displacement
What is the position of the right knee in a weight-bearing position?
Valgus and internally rotated
What contributes to the exaggerated valgus and externally rotated position of the knee?
Adduction and internal rotation of the right hip
What muscles could contribute to the position of the hip described in question 9?
Reduced activation of hip abductor muscles
What is the position of the right hip in a weight-bearing position?
Adducted and internally rotated
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