The Gyrotonic Level 1 Apprenticeship period follows. During this period, which can last up to one year, students receive a trademark license allowing them to teach Gyrotonic level I exercises in the role of Gyrotonic Apprentice. Apprentices are required to teach 60 hours & to attend a Supervised Apprenticeship Review Course with a Gyrotonic Master Trainer. The Review is a 30 hour course split over 2 3-day segments. Enrollment in both Part I and Part II is required.