Whether you're switching up your typical strength training routine or rehabbing after injury, introducing instability into your workouts will have you shaking and aching like never before. There are a ...

Runners tend to think of instability as a condition to avoid or a problem to solve, but adding a dose of wobbliness to your workout is actually beneficial. And one of the best ways to (literally) ...

Confession: The last time I used a Bosu ball was at least five years ago. In the meantime, I've dabbled with resistance bands, kettlebells, and a rowing machine in my workouts to keep things ...

INDIANAPOLIS — This week's Friday Fit Tip shows you how to work your abdominal muscles. We went back to visit Lydia Horner at LA Fitness. She likes to add the BOSU ball to her ab workouts. "It really ...

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. Suspension trainers ...

Confession: The last time I used a Bosu ball was at least five years ago. In the meantime I've dabbled with resistance bands, kettlebells, and a rower in my workouts to keep things interesting. Still, ...

These five core exercises can help cyclists build control, balance, and resilience on the bike.

Ask a physical therapist how you can subtly level up your workouts, and they’ll probably recommend trying the best BOSU balls (and other types of balance trainers). If you’re unfamiliar, BOSU stands ...