When you get your back cracked — on camera no less — you never know what exclamation will tumble out of your mouth. That’s part of the fun of watching back cracking videos, which have taken Instagram ...

Hanish, who goes by Dr. Cody, is a chiropractor based in Sydney, Australia. He started posting videos of his spinal manipulations — what he calls “crack videos” — on Instagram in late 2018. A post ...