They might look like simple plastic discs, but core sliders are one of the most underrated tools in fitness and they’re finally getting their moment in the spotlight. Whether you call them gliders, ...

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Mix an unstable surface into upper- and lower-body exercises and you have a blend of moves that seriously turns up the core challenge. That’s where sliders (and slider workouts) come into play, ...

Let’s face it, repeating the same leg exercises can get monotonous. It's also not productive—to continually challenge yourself and build lower body muscle, you need to mix up your moves. That’s why ...

These humble plastic discs are a fast track to trembling muscles and a stronger core. Bad news first: You will have a hard time bragging about banging out a slider workout. In the era of at-home ...