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Unformatted text preview: fibrocartilage forming the circumference of the IV disc. Bending of the vertebral column to the right or left from the neutral (erect) position is ____________________; returning to the erect posture from a position of lateral flexion is lateral extension. The thoracic and sacral kyphoses are ____________________ that develop during the fetal period in relationship to the (flexed) fetal position. The cervical and lumbar lordoses are ____________________ that result from extension from the flexed fetal position. The curvatures of the vertebral column provide additional _______________ (shock-absorbing resilience), further augmenting that provided by the IV discs....
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- Spring '11