From Canadian fitness pioneer, bestselling author and PBS star Miranda Esmonde-White, the definitive Essentrics stretching and strengthening book, designed to keep your body strong, mobile and pain-free whatever your age.Miranda Esmonde-White's fitness revolution began with a simple insight: many exercise programs, including the ones she used to teach at her own studio, actually cause injury and prematurely age the body, bulking muscles and restricting joints. Throwing out th