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BoxLife Magazine
boxlifemagazine.com > boost-oxygen-uptake-zone-two-cardio-sprints

The Norwegian 4x4 Method Boosted VO2 Max by 7.2% in 8 Weeks, But Beginners Should Start With Something Easier

6+ day, 17+ hour ago   (1588+ words) Olympic triathlon champion Kristian Blummenfelt recorded a VO2 max of 101—the highest value ever measured in a human being. But that achievement required elite genetics, decades of training, and up to 30 hours of exercise every week. And even that pales in…...