Understanding the Lumbar Spine

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Questions and Answers

What is the shape of the vertebral foramen of the fifth lumbar vertebra?

  • Oval
  • Rectangular
  • Triangular (correct)
  • Circular

What do the collagen fibers of the anulus fibrosus arrange themselves into?

  • Spirals
  • Rods
  • Lamellae (correct)
  • Mesh

What type of joints are the Zygapophyseal articulations?

  • Pivot joints
  • Cartilaginous joints
  • Fibrous joints
  • True synovial joints (correct)

In which direction does the fifth lumbar vertebra's body transition in shape?

<p>Wedge-shaped (A)</p> Signup and view all the answers

What is the lumbosacral angle formed by the 5th lumbar vertebra and 1st sacral segment?

<p>Inclined slightly anteriorly and inferiorly (B)</p> Signup and view all the answers

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