If you have a posterior torsion, what do you expect for a sphinx and spring test?

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Multiple Choice

If you have a posterior torsion, what do you expect for a sphinx and spring test?

Explanation:
Spring testing gauges how freely the sacral base can move forward when you apply an anterior force from the back. In a posterior torsion, the sacrum is rotated so its base sits backward and its forward motion is restricted. When you attempt to spring the sacral base, there’s little to no give—the sacrum doesn’t spring forward. This lack of spring is described as a positive spring test, i.e., there will be no spring felt. So, the best expectation for a posterior torsion is a positive spring test.

Spring testing gauges how freely the sacral base can move forward when you apply an anterior force from the back. In a posterior torsion, the sacrum is rotated so its base sits backward and its forward motion is restricted. When you attempt to spring the sacral base, there’s little to no give—the sacrum doesn’t spring forward. This lack of spring is described as a positive spring test, i.e., there will be no spring felt. So, the best expectation for a posterior torsion is a positive spring test.

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