Resumen de Cracking knuckles ¿ A smartphone inquiry on bioacoustics

Andreas Müller, Patrik Vogt, Jochen Kuhn, Marcus Müller

• Cracking (or popping) knuckles (or joints) is an (bio-) acoustic phenomenon of which most of you are aware (with dislike, in some cases), and some of you may have wondered where it comes from. We will first give a short explanation, followed by a smartphone experiment validating a central phenomenon of the sound generation mechanism.