For many, the notion of or lengthy high-intensity workouts, health club periods can be overwhelming, each for the body and the time table. But a low-impact Eastern walking technique promises to improve fitness, protect joints, and even sharpen the mind—without the need for running or heavy gym equipment.

Developed by Professor Hiroshi Nose and Associate Professor Shizue Masuki at Shinshu University in Matsumoto, the Interval Walking Training (IWT) (also called the Japanese walking method) alternates between three minutes of brisk walking and three minutes of slower-paced walking. This cycle is repeated for at least 30 minutes, four times a week. The brisk segments should be challenging enough to make conversation difficult, while the slower periods allow the body to recover.

To start with, IWT was promoted in Japan under the Jukunen Taiikudaigaku program to help adults over 40 improve fitness without joint stress. IWT has since gained international attention. Now, fitness enthusiasts worldwide—from busy professionals to older adults—are embracing this smart walking workout. Studies indicate that training four or more times per week can significantly increase cardio capacity, lower blood pressure, improve cholesterol levels, increase muscle strength and flexibility, and reduce BMI.

A small controlled trial led by Dr. Kristian Karstoft of the University of Copenhagen found that IWT may also help people with type 2 diabetes to improve blood sugar level. This makes it an excellent alternative for people seeking safe, doctor-approved exercise options. Participants saw fitness gains of up to 20% and lost an average of 3–5 kilograms over 4–6 months.Beyond physical benefits, IWT may also enhance cognitive function.

A 2018 study in the FASEB journal reported improvements in memory, mood, sleep, and symptoms of age-related decline. This makes interval walking not just a body workout—but also a brain workout. Experts suggest that the alternating intensity stimulates brain regions linked to thinking, memory, and emotional regulation.

With its simplicity, accessibility, and effectiveness, IWT is being embraced globally—especially on social media—as a joint-friendly, time-efficient way to get fitter, healthier, and mentally sharper. Instead of committing to long gym sessions, try IWT for 30 minutes, four times a week.

Sources

https://www.business-standard.com/health/japanese-interval-walking-fitness-running-how-to-do-impact-diabetes-125081200559_1.html

https://www.ndtv.com/health/this-japanese-walking-technique-is-better-than-10-000-steps-doctor-explains-how-8404487