During cranial extension, how does the sacral base move?

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Prepare for the OMM 6 Cranial Evaluation and Treatment Test. Use flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

During cranial extension, how does the sacral base move?

Explanation:
Cranial extension and the sacral base are linked through the dural membranes that envelop the brain and spinal cord. When the cranium extends, tension is transmitted along these membranes downward to the sacrum, pulling the sacral base forward. So, the sacral base moves anteriorly (with the sacral apex moving posteriorly as part of the coupled motion). This anterior movement of the sacral base is the expected response to cranial extension.

Cranial extension and the sacral base are linked through the dural membranes that envelop the brain and spinal cord. When the cranium extends, tension is transmitted along these membranes downward to the sacrum, pulling the sacral base forward. So, the sacral base moves anteriorly (with the sacral apex moving posteriorly as part of the coupled motion). This anterior movement of the sacral base is the expected response to cranial extension.

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