Nejmeddine Ouerghi, PhD, is an Assistant Professor in Biological Sciences applied to Physical Activity and Sport at the High Institute of Sport and Physical Education of Kef, University of Jendouba, Tunisia. His research focuses on acute and chronic exercise-induced adaptations in cardiometabolic, inflammatory, hormonal, and psychophysiological responses across healthy and clinical populations, with a particular interest in high-intensity interval training (HIIT) and other interval training protocols.