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Sacral Nutation

Quick Quiz #2
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Sacral flexion is a nodding movement of the sacrum between the innominates, with the sacral base moving?
Anterior and inferior.
Anterior and superior.
Posterior and inferior.
Posterior and superior.


Posterior nutation is a nodding movement of the sacrum between the innominates, with the sacral base moving?
Anterior and inferior.
Anterior and superior.
Posterior and inferior.
Posterior and superior.


A positive lumbosacral spring test indicates that sacral motion
Resists counternutation.
Resists nutation.
Resists sacral extension.