I host a ‘Barbie Bootcamp’ – the ab workout that will snatch your waist like a corset if you want an hourglass figure

A BLONDE bombshell said getting a snatched waist simply requires incorporating a few key movements.

The fitness coach revealed the one common gym mistake that leads to a boxy figure rather than an hourglass one.

Steph Heintz (@stepheintz) hosts a “body Barbie bootcamp” for those women hoping to achieve the same feminine physique that the trending plastic doll rocks.

In a TikTok video, she said there is one kind of exercise move to avoid: “Do not make this mistake if you want an hourglass figure and a snatched waist.”

Showing side-by-side photos of a ripped woman with a boxy frame, and a lean woman with a curved frame she said there are key differences.

“You can see that this chick [with the boxy frame] works out, but you can also see that these obliques are building out here.”

If you want to avoid that look and instead achieve the curved one, she said to follow her advice.

“People think if you lift up and down at your waist, you are going to snatch it,” she revealed, holding a kettlebell.

“Absolutely not. You are actually going to build these oblique muscles that give you that wider frame.”

Instead, aim for twisting movements.

“Take your kettlebell, drop down, and twist side to side so that these muscles snatch in like a corset.”

Steph said that while she originally thought “any workout” would get her to her body goals, that simply wasn’t the case.

“Switch to kettlebell twists to snatch your waist.”

Viewers appreciated the simple tip.

“This makes so much sense. We’ve been doing this in my core fit classes and now my waist doesn’t fit my jeans, but I haven’t gained weight! Thank you!” one noted.

“Thanks for making it short and sweet,” another added.