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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." NOT SURE WHAT to do at the gym? Take a scroll through TikTok or Instagram. It probably won’t be long ...

A sports medicine doctor and physical therapist weigh in about the pros and cons of the popular, low-impact social media fitness routine.

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There’s a reason everyone you know is doing the 12-3-30 workout. Invented in 2019 by content creator ...

Let’s get one thing straight: I am not a runner. I’ve always aspired to become one of those early-morning long run people, but I’ve accepted that that’s just not who I am. I get bored within the first ...

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 ...

If the phrase ‘high-intensity interval training’ (HIIT) makes you break a sweat before you’ve even started, the 30-20-10 workout could change your mind. It delivers the same fitness benefits as HIIT – ...

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 ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! As an elementary school music teacher, Alexis Garcia, 40, ...

It seems like every other day there’s a new fitness craze taking social media by storm, promising to help us lose weight. Unfortunately, not all of these methods are safe and effective. One of the ...