Category: BWB in the Wild

Best Breathing Trainer for Athletes in 2026

Compare seven leading breathing trainers by training method, breath cycle, CO2 management, feedback and athletic fit.

Cory Wallace Case Study: From Respiratory Limiter to Six-Time World Champion

See how testing identified Cory Wallace’s respiratory limiter, how his recorded FEV1 and FEV6 changed, and how Isocapnic fits his training.

How to Think About Integrating Isocapnic Training Into Your Athletic Development

If you are using the Isocapnic BWB, or thinking about it, one of the biggest questions is usually this: Where does this fit into my training? That is a fair question. A lot of athletes understand how to think about integrating Isocapnic training Into their athletic development. They have felt the panic of not being […]

From Everest Base Camp to the lab: Isocapnic breathing and the future of AMS treatment

Acute mountain sickness (AMS) is the classic tax you pay when you gain altitude faster than your physiology can keep up. Headache, nausea, fatigue, poor sleep, that “my brain is wrapped in cotton” feeling. It is common, it is miserable, and in some cases it can progress to serious conditions like high altitude cerebral edema […]

Winning Happens While You Breathe: How the Isocapnic Changes the Game in MMA, Boxing, and the UFC

Combat sports reward preparation, but they reveal truth. You might enter the cage sharper, stronger, faster, and smarter — but when your body slips into redline, skill becomes inaccessible and strategy fades into instinct. The fight becomes a negotiation between technique and physiology. The side with more physiological control dictates the pace, the chaos, and […]

Respiratory Muscle Training: The Complete Guide for Athletes

Learn how respiratory muscle training develops breathing strength, endurance, volume and control, how the main methods differ, and how athletes can progress safely.

Conversation with the Roadman Cycling Podcast

Dr. Andrew Sellars sat down for a conversation with Anthony from the Roadman Cycling Podcast to discuss his experience with integrating respiratory training into endurance training protocols. Check out the full podcast in audio form HERE OR Check out the video version here: Podcast summary and key points For decades, cyclists have obsessed over legs, […]

Improve FTP, VO₂ and Power : Lessons from Elite Cyclists Using Isocapnic Training

Elite professional cyclists already train at the edge of human capacity. Their lungs are huge, their hearts powerful, and their muscles efficient. Pushing their performance even a few percent higher is notoriously difficult. Yet a new study shows that adding Isocapnic respiratory training moved the needle for these world-class riders. If athletes at this level […]

Isocapnic Validation Study

A new study has just been published in the peer-reviewed journal Biology by Tomasz Kowalski of Warsaw, Poland. Keen observers may remember some of his earlier work with speed skaters and triathletes, which confirmed the physiologic benefits of respiratory muscle training. In his most recent publication, he investigates the effects of the BWB (Breathe Way […]

Sara Sigmundsdóttir Spotted Training With the Isocapnic BWB

When it comes to elite CrossFit athletes, few names have commanded as much respect and admiration as Sara Sigmundsdóttir. Known for her fierce determination, powerful engine, and comeback resilience, Sara has been a podium threat at the CrossFit Games and a crowd favorite for years. And now, she’s turning heads once again — not just […]