Norwegian Physiotherapist Shares Science-Backed 4x4 Interval Training for VO2 Max Boost

A Norwegian physiotherapist, known online as Fysio Ingrid, recently highlighted the efficacy of the "Norwegian 4x4 interval training" method in a viral video. The training protocol, studied and validated by NTNU (Norwegian University of Science and Technology), is presented as a highly effective way to improve VO2 Max. Ingrid's video, which includes an "outfit check" before or after a training session, serves as a practical demonstration and endorsement of the method. Experts suggest that such scientifically-backed fitness advice, when shared by credible professionals like physiotherapists, can significantly impact public health and fitness practices. "The 4x4 method is a cornerstone of high-intensity interval training, proven to yield substantial cardiovascular benefits," one fitness expert noted. The video encourages viewers to seek out the full program by searching "NTNU 4x4 english," making this valuable information accessible to a global audience interested in optimizing their athletic performance.

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Norveški trening 4×4 je hit u svijetu fitnessa, a dokazano obećava snažnije src…

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