Lumbar Disc Pathology Objectives and Types of Injuries
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Questions and Answers

What is the primary function of the lumbar spine?

  • Supporting the lower extremities
  • Controlling movement in the frontal plane
  • Protecting the spinal cord
  • Transmitting force of the upper body to the lower extremities (correct)
  • How many pairs of facet joints are present in the lumbar spine?

  • 3 pairs
  • 6 pairs
  • 4 pairs
  • 5 pairs (correct)
  • What is the primary function of the ligamentum flavum in the spine?

  • Restricting flexion (correct)
  • Controlling extension
  • Assisting in lateral flexion
  • Restricting rotation
  • In which position is the lumbar spine midway between flexion and extension?

    <p>Open pack position</p> Signup and view all the answers

    What is the role of the iliolumbar ligament in the pelvis?

    <p>Stabilizing L5 with the ilium</p> Signup and view all the answers

    Which part of the facet joint provides restriction from anterior shear in the lumbar spine?

    <p>Superior articulating process</p> Signup and view all the answers

    What is the defining characteristic of mechanical low back pain?

    <p>Pain is relieved by lying down</p> Signup and view all the answers

    Which condition involves pain from nerve injury and may result from a herniated disc impinging on a nerve root?

    <p>Neurogenic pain</p> Signup and view all the answers

    What does centralization of pain refer to in the context of low back pain?

    <p>Retreat of pain towards the midline of the spine</p> Signup and view all the answers

    In non-mechanical low back pain, which area is the pain dominant?

    <p>Legs</p> Signup and view all the answers

    What is a characteristic feature of central stenosis as mentioned in the text?

    <p>Extending hurts like an old person pushing a grocery cart</p> Signup and view all the answers

    What does neurogenic intermittent claudication involve?

    <p>Numbness and weakness beyond the knee</p> Signup and view all the answers

    What movement provides relief in inflammatory leg dominant non-mechanical low back pain?

    <p>Extension</p> Signup and view all the answers

    What is the main function of the annulus fibrosis in the lumbar disc?

    <p>To distribute load applied to the spine</p> Signup and view all the answers

    What happens to the water-binding capacity of the nucleus pulposus with age?

    <p>It decreases</p> Signup and view all the answers

    Which part of the lumbar disc allows fluid to move between the disc and vertebral body?

    <p>Endplate</p> Signup and view all the answers

    What is the most common site for nerve root problems in the lumbar region?

    <p>L5-S1</p> Signup and view all the answers

    Which muscle group/system actively stabilizes the pelvic joints and assists in load transfer during gait and activities?

    <p>Transverse abdominis</p> Signup and view all the answers

    What is the main function of the sacroiliac joint (SIJ)?

    <p>To act as a buffer to decrease forces to the spine and upper body</p> Signup and view all the answers

    What is the most common cause of pain associated with nerve root compression?

    <p>Degeneration and herniation of intervertebral discs</p> Signup and view all the answers

    What type of injury at the sacroiliac joint can result from sudden jarring or lifting and twisting involving the lumbar spine?

    <p>Inflammation/trauma or overuse</p> Signup and view all the answers

    What is the characteristic presentation of spondylosis?

    <p>Loss of disc height and bone spur growth to the sides of vertebral bodies</p> Signup and view all the answers

    What is a possible cause of avulsion fractures of the pelvis?

    <p>Overzealous kick/missing of kicking an object</p> Signup and view all the answers

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