Book (Practical) Home economics and life sciences One minute a day! You can stay seated! Lazy abdominal muscle

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Home Economics and life environment studies
I don't have confidence in my physical strength, I'm not good at exercise, and I have no experience doing abdominal muscle exercise. / But I want to lose my belly! / It's a one minute exercise that I want you to practice for those people. / You can sit for one minute a day, so even people who don't have muscle strength can train their abdominal muscles without difficulty. / In addition to making the waist thinner, the respiratory power and muscle strength around the trunk improve the posture, don't get tired easily, lose back weight and gain physical strength! / In addition to the basic way of doing abdominal muscle exercise, this book introduces 5 exercises for those who want to have more effects.