Health Sciences 2300A/B Lecture Notes - Lecture 4: Spinal Canal, Vertebra, Scoliosis

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Curves help to transmit the load that is passing through your spine. Makes it more affective to distribute weight. Cervical (towards you it is convex anteriorly or concave posteriorly) 2 degree means secondary, 1 degree means primary. Primary curvatures are curvatures that you are born with. Secondary curvatures or those that you develop overtime. Start w/ one curvature in the womb, but as we are born curvatures start to form in the sacrum (convex anterior) Cervical and lumbar curvature don"t develop until later on. Cervical curvature holding the head up helps to develop the curvature of the spine (against gravity) Lumbar spine when babies start to sit up, stand, walk, etc. Pedicle sits in between the body and the transverse process. Transverse process (arms) that stick out. Vertebral foramen opening in the middle of the vertebrae becomes vertebral canal. Lamina in between the transverse process and the spinous process. Spinous process runs posteriorly (c7 most prominent)

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