I’ve been doing a lot of work to strengthen my legs lately; the move that has made the biggest difference is the hamstring ...

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, ...

In the “bang for your buck” category of fitness equipment, sliders are a close runner-up to resistance bands. They’re cheap, versatile, and easy to store or take on the road. And if your current core ...

THE STATE OF your hamstrings determines more about your body’s condition than you might expect. Tightness in your hamstrings can cause back pain, hip mobility, and even bad posture. “Tight hamstrings ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. For strong, powerful ...

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, ...