Resolve Minor Ailments for People Over 50 with 5-Minute Daily Workouts: 'Healthy and Flexible Muscle Training for Staying Youthful: Body Maintenance Starting in Your 50s'

Ultimate Life Inc., operator of the 'GronG' protein brand, is releasing a book by trainer Shuhei Maeda through KADOKAWA on June 19, 2026. The book introduces 5-minute daily muscle training routines for people over 50 to combat physical decline and ailments without needing special equipment.
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  • 📰 Published: May 20, 2026 at 22:00
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Ultimate Life Inc., which operates the 'GronG' protein brand, will release the book 'Healthy and Flexible Muscle Training for Staying Youthful: Body Maintenance Starting in Your 50s' by its employee, trainer and acupuncturist Shuhei Maeda, on June 19, 2026, via KADOKAWA Corporation. The 50s is a period when physical decline is often felt, partly due to decreased muscle mass. To help even exercise novices stay consistent, this book presents carefully selected 'flexible muscle training' exercises that can be done in just 5 minutes a day without special equipment. It also features exercises tailored to common complaints among those in their 50s, such as 'back pain' and 'difficulty with stairs,' proposing muscle training as a form of 'body maintenance'.

FAQ

What is this new book about?

It's a fitness guide titled 'Healthy and Flexible Muscle Training for Staying Youthful' for people in their 50s, featuring 5-minute daily exercises to maintain strength and flexibility without special equipment.

Who is the author?

The author is Shuhei Maeda, a trainer and acupuncturist who works for Ultimate Life Inc. and runs the popular YouTube channel 'Maeda's Daily Self-Care! by GronG'.

Why is the book targeted at people in their 50s?

Because the 50s is an age when many people begin to experience physical decline, such as fatigue, joint pain, and reduced flexibility, often due to age-related muscle loss.

When will the book be released and how much will it cost?

The book is scheduled for release on June 19, 2026, and will be priced at 1,870 yen (tax included).

Who are the companies behind this book?

The book is written by an employee of Ultimate Life Inc. (GronG brand) and will be published by KADOKAWA Corporation.

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