No popping or pain. I actually didn't feel any pain until after I finished my set. It felt kinda like something was pinched right in the middle of my back. I have had a torn disc in the thoracic area, I'm wondering if that's related, but that was almost 10 years ago. About 2 years ago I tore my serratus anterior, never really knew the exact cause was but my overhead lifting suffered. I've just started back up with my overhead lifts so I hope I don't have to stop again.