How to Frenzel Equalize: an equalisation tutorial from a Professional Freediver

How to Hold Your Breath Longer: a freediving tutorial from a professional freediver

Adam Stern Freediving Record | Freediver Breaks Down his 92M National Record Dive

Freediving Breathe Up and How to Breathe for Freediving: hold your breath longer

Adam Stern, MD — Committed: Dispatches from a Psychiatrist in Training

Hands Free Equalisation | How to Equalise without pinching your nose | VTO and BTV Equalisation

A World Baseball Classic INSIDE-THE-PARK home run! Adam Sterns races around bases in upset of USA!