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    Anatomy of the Spinal Column

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    Why are the thoracic and sacral curves known as primary curvatures of the spine?

    © BrainMass Inc. brainmass.com October 9, 2019, 6:58 pm ad1c9bdddf

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    Early in development (during fetal development and infancy) the entire spine is curved outwardly (it is convex towards the back and concave towards the front; this is called a kyphosis). ...

    Solution Summary

    The anatomy of the spinal columns are determined. Why the thoracic and sacral curves are known as primary curvature of the spine are determined.