Sports and physical education 「 THE TOUGHEST 」 IN THE WORLD WILL MAKE YOUR MUSCLES BIGGER! Yamamoto Method 3/7 Sports

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Sports and physical education
It was introduced on the very popular YouTube channel 「 Yoshinori Yamamoto Suji Torre University 」 and received a lot of feedback! Dr. 「 Suji 」's nickname, Yoshinori Yamamoto, invented the 「 Yamamoto-shiki 3/7 method 」, which became a topic of conversation due to its toughness and effect, and finally became a book. The Yamamoto-shiki 3/7 method is a training method in which the number of training movements is increased by 1 : 3 → 4 → 5 → 6 → 7, with a 15-second interval between each movement. The 15-second interval between each movement is used to to rest, but to keep the posture of contracting or stretching the muscles, effectively stimulating the muscles and promoting muscle hypertrophy.