Biza Brkic

Person

A world-renowned breathing expert who taught Bas Rutten a rigorous course on breathing and incorporated his O2 Trainer research into her book.

Mentioned in 1 video

Videos Mentioning Biza Brkic

UFC Hall of Famer Bas Rutten on Self-Defense, Savage Fight Stories, Breathing Techniques, and More

UFC Hall of Famer Bas Rutten on Self-Defense, Savage Fight Stories, Breathing Techniques, and More

Tim Ferriss

A world-renowned breathing expert who taught Bas Rutten a rigorous course on breathing and incorporated his O2 Trainer research into her book.