Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
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.