Wheels of Punishment

You step onto the moving belt, start running, and exhaust yourself for an hour without ever moving an inch forward. It feels like torture—because it originally was. In 1818, English engineer Sir William Cubitt invented the "tread-wheel" strictly as a brutal punishment for prisoners. Inmates were forced to climb massive wooden gears for up to ten hours a day, crushing grain or simply grinding air to break their spirits. This fascinating sociological history uncovers how a terrifying penal device was rebranded into the centerpiece of the modern, multi-billion-dollar fitness industry. The book traces the treadmill's journey from being banned for excessive cruelty in the early 20th century to its triumphant return in the 1960s as a highly profitable cardiovascular medical tool. Understand the bizarre psychological shift that makes us voluntarily pay to endure what was once a human rights violation. Uncover the industrial mechanics and marketing genius that transformed the ultimate symbol of forced labor into the ultimate symbol of personal self-improvement.