Phornpot Chainok is a assistance professor at the Faculty of Sport Science, Burapha University, Thailand and received his PhD in Sport Science from Faculty of Sport (FADEUP) the Porto University, investigating the biomechanical features that have the greatest influence in swim turning techniques using multidisciplinary approach, including a motion capture system, a customized underwater tri-axial force plate, surface electromyography (EMG) and an inverse dynamic approach utilizing hydrodynamic variables.He is working with Thailand swimming association as the head of sport science team. Research interests: biophysical characterization in cyclic sports (swimming, running),sailing, soccer, young athletes training and development.