
When John, a resident of Los Lunas, New Mexico, started losing his ability to grip things with his right hand, he knew it was time to do something.
A 72-year-old retired facilities manager, John had competed in racquetball tournaments for nearly 40 years. Sometimes he played 9-10 hours of racquetball a week.
But unlike tennis, which allows for longer strokes with your entire arm, racquetball games require quicker strokes in tight places that put a lot of stress on your wrist.