This article originally appeared in Well+Good.

I have a short attention span, the budget of a freelance writer, and a tiny living room the size, so my at-home workouts need to be hard, fast, and inexpensive. One thing that's made a huge difference is adding in sliders to my workouts. Slider discs go underneath your hands or feet and they're a great way for beginners to get the most out of their workouts.

Sliders dial up the intensity by turning your floor into an unstable surface. This requires a lot more balance and strength. "In turn it gives you more bang for your buck in a short amount of time," says Megan Roup, founder of The Sculpt Society, adding that you're likely to see a noticeable difference in you core strength after you start using sliders in your workouts.

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