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Questions and Answers

What does the circle depicted in (A) to (C) indicate?

  • The point of maximal contact between the patella and the femur. (correct)
  • The location of the suprapatellar fat pad
  • The area of the patella that is in contact with the femur.
  • The point of minimal contact between the patella and the femur.

    • What happens to the contact point on the patella as the knee extends?

  • It migrates from its superior pole to its inferior pole (correct)
  • It migrates from its inferior pole to its superior pole
  • It remains stationary.
  • It moves to a completely different area of the patella

    • What is located deep to the quadriceps?

  • The suprapatellar fat pad (correct)
  • The patella
  • The femur.
  • The tibia

    • What do (D) and (E) show?

    <p>The path and contact areas of the patella on the trochlear groove of the femur.</p> Signup and view all the answers

    At what flexion position is the patella usually well engaged within the trochlear groove of the femur?

    <p>60 degrees</p> Signup and view all the answers

    What is the maximum contact area between the patella and femur?

    <p>Between 90 and 60 degrees of flexion.</p> Signup and view all the answers

    What percentage of the total surface area of the posterior patella is in contact with the femur at maximum contact area?

    <p>About one-third</p> Signup and view all the answers

    What can joint pressure be at maximum contact area?

    <p>Very high.</p> Signup and view all the answers

    What is the patellofemoral joint?

    <p>The joint between the patella and the femur.</p> Signup and view all the answers

    What is the trochlear groove of the femur?

    <p>The area of the femur that contacts the patella</p> Signup and view all the answers

    What is the purpose of the suprapatellar fat pad?

    <p>To provide cushioning between the patella and the femur.</p> Signup and view all the answers

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