Four minutes of wall ball sit-ups. That was at the end of a recent CrossFit workout I took, and I was floored by how much this exercise worked my arms — they got sore faster than my abs! Jade Jenny, ...

We'd never strong-arm you, but there are so many benefits to adding a medicine ball to your workout. (Getty Images) I'll admit it: For years, I avoided adding a medicine ball to my workouts. Frankly, ...

Giving 16 first-graders each a large, bouncing ball might not sound like the best way to improve their focus in school. But in Sarah Meader's classroom at Karen Western Elementary School, students ...

Seated balance ball exercises are a great way to improve posture and core strength. These exercises use the instability of a balance ball to engage muscles that support the spine, promoting better ...

At work, Pam O’Donnell types at her computer, talks on the phone and, every so often, bounces a bit on a big blue ball. O’Donnell has an office chair, but this doesn’t mean she uses it. She prefers to ...