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Lumbar Spine Anatomy and Assessment Manual
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Lumbar Spine Anatomy and Assessment Manual

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Questions and Answers

Which spinal structure is responsible for preventing anterior movement of the superior vertebra on the inferior one?

  • Facet Joints (correct)
  • Transverse Process
  • Intervertebral Disks
  • Spinous Process
  • Which muscle group is responsible for lateral flexion of the lumbar spine?

  • Transversospinal muscle group
  • Erectospinae muscles
  • Psoas Major and iliacus muscles
  • Quadratus lumborum (correct)
  • Which anatomical structure consists of a central nucleus pulposus and an annulus fibrosus?

  • Facet Joints
  • Pedicles
  • Intervertebral Disks (correct)
  • Spinous Process
  • What is the main function of the intervertebral discs in the lumbar spine?

    <p>Bear loading during axial compression</p> Signup and view all the answers

    Which muscle originates from the spinous processes of T11-L2 and is responsible for weakly depressing the ribs during expiration?

    <p>Serratus posterior inferior</p> Signup and view all the answers

    Which muscle originates from the nuchal ligament and spinous processes of C7-T3 and is responsible for elevating the ribs weakly during inspiration?

    <p>Serratus posterior superior</p> Signup and view all the answers

    Which ligament connects the anterior aspects of the vertebral bodies?

    <p>Anterior Longitudinal Ligament</p> Signup and view all the answers

    Which muscle group is responsible for retracting and stabilizing the scapula, and rotating it to depress the glenoid cavity?

    <p>Transversospinal muscle group</p> Signup and view all the answers

    Which muscle inserts into the floor of the intertubercular groove of the humerus and is responsible for extending, adducting, and medially rotating the humerus?

    <p>Latissimus dorsi</p> Signup and view all the answers

    Which muscle group is innervated by the dorsal scapular nerve and C4-C5 spinal segments?

    <p>Transversospinal muscle group</p> Signup and view all the answers

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