ACL and PCL - lecture
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Questions and Answers

What is the primary function of the anterior and posterior cruciate ligaments?

  • To provide dynamic stability to the knee in multiple planes (correct)
  • To resist medial-lateral sliding between tibia and femur
  • To contribute to proprioception of the ankle
  • To resist forces in the hip joint

What is the blood supply to the anterior and posterior cruciate ligaments?

  • Medial genicular artery (correct)
  • Lateral genicular artery
  • Popliteal artery
  • Femoral artery

Which type of forces do the anterior and posterior cruciate ligaments primarily resist?

  • Medial-lateral shear forces
  • Anterior-posterior shear forces (correct)
  • Compression forces
  • Torsional forces

What is the maximum force that the ACL can withstand before rupture?

<p>1,800 N (C)</p> Signup and view all the answers

Which of the following is true about the location of the anterior and posterior cruciate ligaments?

<p>They are located inside the knee joint capsule (B)</p> Signup and view all the answers

What is the function of the anterior and posterior cruciate ligaments in relation to sliding between the tibia and femur?

<p>They restrain anterior-posterior sliding (B)</p> Signup and view all the answers

What type of forces do the anterior and posterior cruciate ligaments resist in the knee joint?

<p>Both anterior-posterior and medial-lateral forces (C)</p> Signup and view all the answers

Which artery supplies blood to the anterior and posterior cruciate ligaments?

<p>Medial genicular artery (D)</p> Signup and view all the answers

Which of the following is true about the strength of the anterior and posterior cruciate ligaments?

<p>They are strong and capable of withstanding large forces (B)</p> Signup and view all the answers

Which of the following is NOT a function of the anterior and posterior cruciate ligaments?

<p>Promoting medial-lateral sliding between tibia and femur (D)</p> Signup and view all the answers

Which of the following is true about the synovial membrane covering the anterior and posterior cruciate ligaments?

<p>It covers the ligaments completely (B)</p> Signup and view all the answers

What is the maximum force that the posterior cruciate ligament can withstand before rupture?

Signup and view all the answers

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Anterior cruciate ligament

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