Can You Really Shrink Your Waist with Ab Workouts? Here’s A Quick Research Review

Elizabeth Westphal
3 min readDec 20, 2023

If you’re active on social media, you’ve probably come across fitness sensations like Chloe Ting, Alexis Ren, and Daisy Keech, who have become famous for their abdominal-centric workouts aimed at trimming down waistlines. It’s hard to miss the success stories, too — people flaunting reduced waist sizes in just a couple of weeks. This leads to an intriguing question: Do these ab workouts genuinely shrink your waist? Is it feasible to witness such changes in as little as two weeks?

A “waist-shrinking” youtube workout, sitting at 56 million views: https://www.youtube.com/watch?v=ywJgsm5mkkQ

The workout above is a dynamic HIIT routine, specifically designed to cause hypertrophy of your abdominal muscles. Having personally tested this workout, I can vouch for its difficulty, but did all the sweating and shaking do anything for my waistline?

So, what’s the deal with ab workouts and waist-shrinking? Does a good ab workout lead to a spot reduction of fat around your waistline? The short answer is no, but the long answer is kind-of-maybe-under-certain-circumstances. A study¹ from 2017 delved into ‘spot reduction’ (AKA localized fat loss). This particular research focused on the effects of resistance training on one muscle group (either arms or legs), followed by cardio, over an eight-week period. The findings hinted at a slight link between targeted training in a specific area and increased fat…

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Elizabeth Westphal

Lover of science and statistics, I write short data-backed articles and always cite my sources!