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Theme: The knee in the emergency department
  1. Michael Davey1,2
  1. 1Emergency Department, Royal Adelaide Hospital, Adelaide, South Australia, Australia
  2. 2Division Acute Care Medicine, University of Adelaide, South Australia,Australia
  1. Correspondence to Michael Davey, Assistant Director, Director Research, Emergency Department, Royal Adelaide Hospital, Adelaide, South Australia 5000, Australia; michael.davey{at}

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Question 1

Which of the following are true regarding knee anatomy?

  1. The tibial (medial) collateral ligament of the knee is generally weaker than the fibular (lateral) collateral ligament, and, therefore, the medial meniscal cartilage is more commonly damaged than the lateral meniscus.

  2. The anterior cruciate ligament is more frequently injured than the posterior cruciate ligament.

  3. The popliteal artery is tightly adherent to the posterior aspect of the knee joint capsule and is commonly injured in knee joint dislocations.

  4. The suprapatellar, popliteus and gastrocnemius bursae all communicate with the synovial cavity of the knee joint.

Question 2

Which of the following are also true regarding the investigation of knee conditions?

  1. The Ottawa and Pittsburgh knee rules …

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  • Provenance and peer review Not commissioned; not externally peer reviewed.