When I first heard about 12-3-30 — the name of the viral 30-minute treadmill incline workout taking the internet by storm — I was only mildly intrigued. TikTok has introduced us to so many exercise ...

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 ...

Alex Abad-Santos is a senior correspondent who explains what society obsesses over, from Marvel and movies to fitness and skin care. He came to Vox in 2014. Prior to that, he worked at The Atlantic.

Forbes contributors publish independent expert analyses and insights. author of Chained to the Desk in a Hybrid World: A Guide to Balance. This voice experience is generated by AI. Learn more. This ...

Any fitness trend or tips found on the internet should be approached with a critical eye and a handful of salt. However, 12-3-30 uses some basic fitness foundations and sound physical and mental ...