ACL - Lecture
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Questions and Answers

What is the position of the right knee immediately after landing from a jump?

  • Valgus and internally rotated (correct)
  • Varus and externally rotated
  • Neutral and internally rotated
  • Neutral and externally rotated

What strongly influences the positions of the femur and tibia in a weight-bearing position?

  • The position of the right hip (correct)
  • The position of the left hip
  • The position of the right foot
  • The position of the left foot

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 (correct)
  • Adducted and externally rotated
  • Abducted and internally rotated
  • Abducted and externally rotated

What could contribute to the position of the hip described in question 3?

<p>Reduced activation of hip abductor muscles (B)</p> Signup and view all the answers

What muscle is shown in the inset on the left of the drawing?

<p>Quadriceps (B)</p> Signup and view all the answers

What is the line of force of the quadriceps muscle shown in the inset on the left?

<p>Increased tension in the ACL (A)</p> Signup and view all the answers

What is the relative displacement of the patella shown in the inset on the left?

<p>Lateral displacement (B)</p> Signup and view all the answers

What is the position of the right knee in a weight-bearing position?

<p>Valgus and internally rotated (A)</p> Signup and view all the answers

What contributes to the exaggerated valgus and externally rotated position of the knee?

<p>Adduction and internal rotation of the right hip (A)</p> Signup and view all the answers

What muscles could contribute to the position of the hip described in question 9?

<p>Reduced activation of hip abductor muscles (B)</p> Signup and view all the answers

What is the position of the right hip in a weight-bearing position?

<p>Adducted and internally rotated (A)</p> Signup and view all the answers

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