VITALWORXX Gymnastikball für Schwangere, extrem stabil, Sitzball Yogaball Pezziball 65 cm mit Pumpe, mit Übungen für Schwangerschaft, Geburt, Gesundheit, Yoga, Fitness, Büro, Arbeit, Erholung, Pilates : Amazon.de: Sport & Freizeit
Balance on the Ball: Exercises Inspired by the Teachings of Joseph Pilates: Crawford, Elisabeth: 9780970371607: Amazon.com: Books
Amazon.com : Exercise Ball, Gym Ball for Pilates Yoga with Quick Pump 45-95cm Anti-Slip Balance Ball for Physio Therapy, Birthing & Home Exercise,Red,45CM : Sports & Outdoors