First things first: an exercise ball = physio ball = stability ball = fitness ball. Got that? Good. "A stability ball is a great way to amp up exercises for the entire body: upper, lower, and core." ...

How to have a ball while working out? Reporter Minna Lessig talks to us about exercising on these giant balls, which look like something out of "romper room." The main benefit of using an exercise ...

Us Weekly has affiliate partnerships so we may receive compensation for some links to products and services. Feel like your no-equipment workouts just aren’t doing enough? Hate the cost and ...