Celebrities have a new favorite workout that's a throwback 1980s.
The VersaClimber is a cardio machine that mimics the sensation of climbing a mountain.
It's been around since 1981 when it was first created in a mechanical engineer's garage in California.
"The big heyday for VersaClimber was the late '80s. It was running on all cylinders. It was very, very busy," Brett Collins, the sales manager of Versaclimber, told ESPN.
Now, it's experiencing a comeback and everyone from Lady Gaga to Hilary Duff swear by the machine.
Find out what all the fuss is about below:
When you're on a VersaClimber, you stand upright and hold onto the handles, while pushing the pedals with your feet. The machine only moves as fast as you do, so you set your own pace.
The idea is to do a mix of short and long strokes and adjust the range and speed of each stride. While one leg steps, the arm reaches out — it is a push and pull move.
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You can even target different parts of the body by isolating the workout to just your arms or legs.
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