Athanasios Ellinoudis is currently a special education staff of the Department of Physical Education and Sports Sciences at Serres, Aristotle University of Thessaloniki, Greece. He obtained a B.Ed. in Physical Education and Sport Sciences at Serres, at the Aristotle University of Thessaloniki, Greece, and a Master’s Degree and a Ph.D. in Kinesiology from the same university. His main research interests include trunk core muscle ultrasonography and biomechanical responses to training and exercise.