Bubs

I’m sure the largest effect is from the shoulders moving, but I think it’s disingenuous to say it does nothing to the neck. Sure, the bones aren’t going to stretch themselves, but surely the cartilage/discs will stretch to some degree, right?

I looked up an x ray because none of the relevant articles had one

I’m far from an expert, but it seems that not only does it straighten and elongate the neck, but it also pushes down all the bones around your shoulders.