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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

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 ...

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 ...

Weight loss trends come and go. Some demand strict diets. Others promise dramatic changes in weeks. Then there is the 12-3-30 walking routine. It looks simple. It feels doable. And it has quietly ...

A fitness trend that took TikTok by storm, racking up more than 14 million views, may have some science behind it. The 12-3-30 treadmill workout, popularized by influencer Lauren Giraldo, promises a ...