Lasciate il vostro corpo appoggiato alla parete e piano piano... Questo libro una traduzione dal: "10-20-30 Pilates Mastery: A 30-Day Journey of WALL & BALL PILATES Empowered by THE 10-20-30 REVOLUTION for All Levels, Office Workers, Seniors, and Athletes on a Path to Strength, Balance, and Beyond" by Jonathan Price