Milosis Δ. Χ., Siatras Θ. Α., Christoulas Κ. Ι., and Patikas Δ. Α. “Shoulder Isometric Torque and Flexors/Extensors Ratio in Gymnasts and Physical Education Students”. Inquiries in Physical Education and Sport, vol. 16, no. 1, Mar. 2018, pp. 8-22, https://journals.lib.uth.gr/index.php/inquiries/article/view/1506.