Our colleague Pierre Philippe Wilson Registe took part in the 3rd edition of the Symposium des étudiants en épidémiologie du Québec, held on May 22nd at the School of Public Health of the Université de Montréal. He presented his work on the importance of consistent measurements for monitoring physical activity during the transition from adolescence to adulthood from the MATCH research project directed by Prof Mathieu Bélanger.