Rubén Aragón Martín is a PhD in Health Sciences and a Professor of Physical Activity and Sport Sciences at the University of Cádiz (Spain). His research focuses on physical activity and health, the promotion of healthy lifestyles, and the assessment of physical fitness across different populations. His work also includes biomechanical and physiological evaluation and the validation of measurement devices and sensor-based technologies applied to exercise testing, particularly in isometric strength assessment, within both laboratory and applied settings.