breatheology on Twitter: "How much lung capacity would a 6'9” former pro athlete have? David Lee tries out the #Airofit Breath Trainer with Stig Severinsen. No matter how tall or trained you
About Stig Severinsen - Breatheology
Streamer.co.il :: The man who breathes like dolphins
Træk vejret: Mere energi – mindre stress (Bog, Hæftet, Dansk) af Stig Åvall Severinsen
Authors Bio - Stig Severinsen
Stig Severinsen : Freediving as philosophy | X-Ray Mag