Category: News and Research

Best Breathing Trainer for Athletes in 2026

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

Respiratory Training for HIIT Recovery and Repeated Efforts

Learn how respiratory conditioning and structured Isocapnic recovery breathing can support athletes in HIIT and repeated-effort sports.

Breathing Training for Swimming: A Practical Guide

Learn how swimmers can train respiratory endurance, strength, usable breathing volume, and control on land, then transfer those qualities to the water.

Breathing Training for Running and Triathlon: A Practical Guide

Learn how runners and triathletes can build respiratory endurance, usable breathing volume, and control without adding more fatigue to the legs.

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.

Hypercapnic-Hypoxic Training: Altitude Evidence, AMS and Safety

A complete guide to hypercapnic-hypoxic training, simulated altitude, independent BWB research, acute mountain sickness evidence and safety.

Breathing Training for Cycling: A Practical Guide

Learn how cyclists can train respiratory endurance, breathing volume, and control off the bike without adding more fatigue to the legs.

Isocapnic Hyperpnea vs Resistance Breathing Trainers

Compare voluntary isocapnic hyperpnea with resistance breathing trainers for respiratory strength, endurance, CO₂ control, and athletic performance.

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 […]