Thankyou for having an interest in this video.
The "Rethinking the SBS" video [1h:34mins] describes how the CRI (the Cranial Rhythmic Impulse, or 10-second CSR) occurs via flexibility of the skull (and mainly through flexibility of the anterior sphenoid afforded by the superior orbital foramen and sphenoidal sinus), and NOT through movement of the SBS.
This way of thinking of the physical CSR has many advantages, including :
lifetime access to this video and all associated material is a snip at £10, reflecting my experience over some 20 years of developing, refining and working with this model. You can also access free copies of my original 2005 paper along with a more recent update/revision (2015-23) at ... but the film is (in my opinion) a lot clearer and more comprehensive.
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