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 ...

The 12-3-30 workout has taken over TikTok, which is a testament to the algorithm and a few influencers’ abilities to game it. It’s really just treadmill walking, with specific parameters and overblown ...

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 fitness revolution is sweeping through social media, and it requires just three simple numbers to remember: 12-3-30. This straightforward treadmill workout has captivated millions of fitness ...

When you walk into a gym in the new year and spot a person walking steadily on the treadmill at a very high incline, they could be following a viral workout trend. The "12-3-30" workout, the ...

Walking treadmill workouts are an easy way to jumpstart a new fitness routine or add variety to an established one. One of the most popular routines is the 12-3-30 treadmill workout, which continues ...

You may have heard about the 12-3-30 workout. The trendy fitness approach is all over TikTok, where the hashtag #12330 has amassed more than 374 million views. Any fitness trend or tips found on the ...