Does sitting on an exercise ball really help with posture?¬†Should I replace my office chair?

the all popular exercise ball

the all popular exercise ball

The exercise ball (also known as a swiss ball, or pezzi ball) has come into popular use in the past decade or so. In the past it was purely used in more specialised physical therapy, but nowadays it is seen in gyms, yoga classes, and even as office chairs. It is thought to improve posture, but read this before you go throw out your office chair…

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