Add Yahoo as a preferred source to see more of our stories on Google. Now, before you go grabbing that pump, you’re going to want to make sure you have the right ball size on hand. To do that, all you ...

Welcome to the recap of our stability ball workout! For the past 7 weeks we have been learning to utilize a stability ball to increase your overall fitness level, but more importantly improve your ...

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. It’s time for a little ...

We've given you exercise videos with dumbbells and a slew of them with booty bands (hint: you can use these bands for more than just butt exercises!). Now, buckle up for some expert-led videos using a ...

The only core move I've really done with a stability ball is stir the pot, and that one exercise is tough enough to instill some major respect for this underrated piece of equipment. When I saw that ...

Medicine balls are small, weighted exercise equipment great for strengthening your abs and core. Though you can use just one weight, using multiple sizes can make the workouts more versatile. It's ...

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 ...

On your pursuit of a flat belly, you must have tried different exercises to successfully get rid of the extra fat around the abdominal area. Burning belly fat is all about building core strength that ...

Now, before you go grabbing that pump, you’re going to want to make sure you have the right ball size on hand. To do that, all you need to know is your height. If you’re 5’5” or shorter, stick to a 55 ...