Kanazawa's Seiryo High School ekiden team has signed a contract with local fitness club Aim to train in the "Hi-Arch" high-altitude simulation room at Aim's Skyship facility. Training for 30 minutes in a low-oxygen altitude training simulation room is said to produce the results of two hours' worth of regular training. With few opportunities to travel for training in the midst of the coronavirus crisis, the facility provides an efficient way for athletes to improve their fitness. Three Aim branches in Kanazawa feature the Hi-Arch room, and Seiryo is the first high school to contract for its use. At sea level the normal concentration of oxygen in the air is 21%, but in the room it is adjusted to 15%, about the same level as at 3000 m elevation. Doing aerobic training in that kind of environment increases the body's efficiency of oxygen uptake, improving endurance and making it easier for the athlete to become leaner. The Seiryo team couldn't train f...
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