Ho sentim, aquesta entrada es troba disponible únicament en Anglès Americà .
Tags: Joint CracksTendon FlicksWhat are the cracks that I can hear in my backWhat are the cracks that I can hear in my kneesWhat are the cracks that I can hear in my knucklesWhat are the cracks that I can hear in my neckWhat are the cracks that I can hear in my shouldersWhy do I hear cracks when I moveWhy does my neck crunch when I roll my head