Scoliosis abnormal lateral curvature of the spine causing a crooked appearance

Scoliosis abnormal lateral curvature of the spine

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Scoliosis : abnormal lateral curvature of the spine causing a crooked appearance usually with abnormal rotation of the vertebrae. Fractures of the Vertebrae Impacts can lead to fractures of the vertebrae. In a Jefferson fracture , the atlas (C1) is fractured in four spots. This can occur if there is a blow to the head such as in diving in shallow water, hitting the roof of the car in a collision, or children falling in the playground. The atlas is ring-shaped with two lateral masses connected via thin anterior and posterior vertebral arches. A vertical force can crush the atlas between the skull’s occipital bone and the axis causing the two lateral masses to break apart fracturing the vertebral arches. Dislocation of the Vertebrae Cervical vertebrae are more horizontally oriented and less tightly locked than other vertebrae. Thus they are subject to dislocations especially during hyperextension of the neck (whiplash) when the car head rest is too low during rear-end car collisions. For example, the image on the lab bench shows dislocation of C5 due to hyperextension of the vertebral column. Similar dislocations occur during a football injury, a diving accident, and a fall from a horse. Herniated Intervertebral Disc 75 © 2011 Shirley J. Wright, Ph.D.
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The nucleus pulposus is normally located in the center of the intervertebral disc. When it protrudes into the annulus fibrosus (outer region of the intervertebral disc), the bulge can impinge on the spinal cord, spinal ganglion and/or spinal nerve causing back pain. 76 © 2011 Shirley J. Wright, Ph.D.
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  • Spring '11
  • Masthay
  • Vertebra, Bones of the torso

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