"I used to be so intimidated by the gym and it wasn't motivating," Giraldo explained in her TikTok video. "But now I go, I do this one thing and I can feel good about myself." She also claims the 12-3 ...

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 ...

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 ...

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 ...

I’ve always been pretty sceptical of viral TikTok fitness trends 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, ...