Nothing will humble you like an exercise ball. Working with an exercise ball can also help you improve your sense of your body in space, a.k.a. proprioception, Jeffers explains. “Stability ball ...

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." ...

"This is a great full-body exercise and when done in repetition, an excellent way to incorporate cardiovascular training in an exercise regimen," certified personal trainer Aimee Rose tells SELF. A ...