I’ve always been pretty skeptical of viral TikTok workouts like the 12-3-30 workout. They can be created by anyone with an account, after all, so their merits aren’t usually backed by science. But the ...

If walking on a treadmill sounds boring, the 12-3-30 workout might be just what you need to shake up your routine. This viral fitness trend, which has over 64 million views on TikTok, promises a heart ...

A new workout trend is gaining in popularity, particularly among TikTok users. If you’ve seen the hashtag #12330 pop up on the video platform and wondered what it means, it refers to a new cardio ...

The buzzy 12-3-30 workout lets you get sweaty in a low-impact, joint-friendly way. But how do you do it, exactly? Here's what to know. The 12-3-30 workout is simple: You walk on the treadmill at a 12 ...

What is the 12-3-30 fitness routine? "The most goated cardio formula" @brazaussie dubbed the 12-3-30, “the most goated cardio formula,” in a post from June 9 that has 563 thousand views. “Whoever came ...

You may have noticed people talking about the viral “12-3-30″ workout on social media recently, or seen the workouts for yourself at the gym (they’ll be the people walking at a very high incline on ...

Viral fitness trends like 12-3-30 and SkinnyTok are booming on social media. Here's why it may be harmful for Gen Z's health ...

You may have noticed people talking about the viral “12-3-30″ workout on social media recently, or seen the workouts for yourself at the gym (they’ll be the people walking at a very high incline on ...

This simple approach is trending, but here's what experts want you to know.

July 23, 2025 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. Now, when you hear "walking workout," you probably think of the ...