It promises the benefits of a 10,000-step walk in just 30 minutes. No gym membership required. Just a pair of shoes and a willingness to alternate between brisk and slow-paced walking in three-minute bursts.

Dubbed “Japanese walking,” the latest viral fitness trend is all over TikTok and has people wondering whether this short-interval workout can improve health more efficiently than a traditional stroll.

The trend has spread across social media and beyond, with bloggers, online articles and major media outlets all jumping in on the walking routine.

The protocol traces back to a 2007 Japanese study that tested the effects of high-intensity interval walking on middle-aged and older adults. But the recent buzz started with a punchy video from Australian content creator and fitness coa

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