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 ...

NOT SURE WHAT to do at the gym? Take a scroll through TikTok or Instagram. It probably won’t be long until you come across a 12-3-30 workout video. The 12-3-30 treadmill workout has built to be a bit ...

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 ...

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 ...

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