The Age of Fitness

We live in the age of fitness. Hundreds of thousands of people run marathons and millions go jogging in local parks, work out in gyms, cycle, swim, or practice yoga. The vast majority are not engaged in competitive sport and are not trying to win any medals. They just want to get fit. Why this modern preoccupation with fitness? In this new book, Jürgen Martschukat traces the roots of our modern preoccupation with fitness back to the birth of modern societies in the eighteenth century, showing how the idea of fitness was interwoven with modernity’s emphasis on perpetual optimization and renewal. But it is only in the period since the 1970s, he argues, that the age of fitne…