Welcome to this episode, where we chat with Zack Kramer, a strength and conditioning coach who has delved into the world of functional breathing. Zack works with a diverse range of athletes, including MMA fighters, swimmers, golf enthusiasts, CrossFit athletes, and triathletes. In this discussion, we explore the impact of carbon dioxide on endurance, various breathing strategies, the connection between mobility and breathing, and share a success story of one of our athletes benefiting from Zack's expertise in functional breathing. Stay tuned until the end as Zack provides a protocol to measure carbon dioxide tolerance which you can complete on your own!