In lateral strains, the axis about which the sphenoid and occiput move is which, and they move in what relative direction about that axis?

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

In lateral strains, the axis about which the sphenoid and occiput move is which, and they move in what relative direction about that axis?

Explanation:
Lateral strains involve a side-to-side deflection of the skull, with the sphenoid and occiput moving as a unit about a vertical axis that runs through the SBS. Because the deformation is sidewise, both the sphenoid and occiput rotate in the same sense about that vertical axis, effectively turning toward the same side. This parallel rotation distinguishes lateral strains from patterns where components would rotate in opposite directions or about a different axis.

Lateral strains involve a side-to-side deflection of the skull, with the sphenoid and occiput moving as a unit about a vertical axis that runs through the SBS. Because the deformation is sidewise, both the sphenoid and occiput rotate in the same sense about that vertical axis, effectively turning toward the same side. This parallel rotation distinguishes lateral strains from patterns where components would rotate in opposite directions or about a different axis.

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