Serge Berthoin is a Professor and head of the Physical Activity, Muscle and Health team in the Sport Sciences and Physical Education faculty at Lille 2 University, France. His main interest is in cardio respiratory responses to exercise and training with a particular focus on high intensity intermittent exercises.
Georges Baquet is a senior lecturer in Law and Health in the Sport Sciences and Physical Education faculty at Lille 2 University, France. His interests lie in physical activity, physical fitness and cardio respiratory responses to exercise and training.