Sarah, a 42-year-old graphic designer, had never played a game of tennis in her life, yet she found herself dealing with persistent pain...

James, a 38-year-old office worker, wasn't exactly known for being active. He spent most of his days at a desk, and while he occasionally...

Cindy was a typical middle-aged office worker, spending 40 hours a week in front of a computer, entering data and running reports. Over...