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When we first heard about The 7-Minute Workout, an app that promises to grant you the benefits of a sweaty bike ride and a trip to the gym in just a few minutes, we thought it was all hype.

But as it turns out, the app actually, well, works you out.

We tried it for the first time in January, and we’re still hooked. It’s become so popular that The New York Times recently released its own version of the app.

It’s perfect on the weekends, when I can’t make it to a yoga class, or as something fun to do with a friend at home.

Here’s how it works:

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First things first: The entire workout takes just seven minutes, and it looks super simple. Initially, I was skeptical I could accomplish this much in such a narrow time frame.

It consists of 12 standard exercises like jumping jacks, sit-ups, and push-ups. Ten of them require nothing but your own body (you’ll need a chair that can support your weight for the others). The Times’ version of the app shows proper positioning for each, which you do for 30 seconds.

To do my workout, all I used was a yoga mat, the hardwood floor of my office, a wall, and a stool.

See the rest of the story at Business Insider