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31 Cards in this Set
- Front
- Back
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What 2 curves of the vertebral column are concave posteriorly?
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Cervical + Lumbar
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What 2 curves of the vertebral column are concave anteriorly?
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Sacral + Thoracic
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The primary curvatures:
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Thoracic + Sacral
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The secondary curvatures:
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Cervical +_Lumbar
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When does the primary curvature develop?
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During fetal life and present at birth
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When does the cervical curvature develop?
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when the baby begins to hold its head
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When does the lumbar curvature develop?
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When the baby begins to walk & assume upright posture
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What makes up the vertebral arch?
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The fused Lamina posteriorly and pedicle laterally
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What are the alternate names for atlas and axis?
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C1/C2
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What structure passes through the foramen?
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VETEBRAL ARTERY
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Another name for dens
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ODONTOID Process
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C1 does not have these 2 things:
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- body
- spinous process |
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Atlas/Axis are example of this synovial joint:
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Pivotal
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Atlas shakes/nod head
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Yes: up & down
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Axis shakes/nod head
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No: left and right
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What is a colloquial name for an odontoid fracture?
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"hangman's fraccture"
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The odontoid process projects ___ and articulates with ___ of the atlas
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superiorly
articulates with the anterior arch |
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The spinous process of C7 is also called
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Vertebra prominens
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the processes of C2-C6 is...
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Bifid and short
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What things make the thoracic vertebrae unique?
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- slanted spinous process
- coastal facets |
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The coastal facets function to:
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Articulate with the ribs
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At what level does the spinal cord terminate?
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L2
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What is unique about the lumbar vertebrae?
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They have large bodies.
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What is the function of the sacrum?
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Transmit body weight to the bony pelvis via the Sacroilliac joint (SI joint)
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What structures pass through the sacral foramen?
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Sacral spinal nerves
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What is the function fo the coccyx?
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It acts as a site of muscle attachment (tail bone)
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What is the internal matrix of the intervertebral disk called?
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Nucleus pulosus
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What is the external matrix of the intervertebral disk called?
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Anulus fibrosus
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What ligaments play an important role in stabilizing the vertebral bodies?
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The anterior and posterior longitudinal ligaments
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Where does the posterior longitudinal ligament run?
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Along the posterior aspect of the vertebral bodies, within the vertebral canal.
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What does the ligamentum flavum do?
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Contributes to the posterior boundaries of the intervetebral foramen and helps to strenghten the vertebral column after flexion.
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