I had the pleasure of trying the NSD Powerball and wanted to share my experience with it here on my blog. I'll cover the basics of this amazing device first and then go into a little more detail.
What is a NSD Powerball?
Definition: NSD Powerball is a finely engineered and precision crafted gyro consisting of a rapidly spinning rotor enclosed in a solid [hand held] outer sphere. Bascially it is a gyroscope. It helps with sports and fitness especially carpal tunnel, tennis elbow, tendonitis, wrist pain and grip strength!
How does it work?
You set this rotor in motion using a cord or your finger and build its speed by subtle rotation of the wrist. It contains no motor or no...