A. Balance ball chairs can help improve posture when sitting on them correctly. However, if you’re slumped forward or back, ...

So grab your medicine ball, and let's get going ... Make sure that you're sitting back as if you're sitting in an invisible chair. You always want the weight to be on your heels, not on your ...

and hold a medicine ball above your head with your arms straight (keep it here for the entirety of the exercise). 2. Next, bend your knees as if you were going to sit down in a chair, but stop ...