Panoutsakopoulos, Vassilios, Apostolos Theodorou, Mariana Kotzamanidou, Emmanouil Skordilis, and Iraklis Kollias. 2013. “Biomechanical Analysis of the Final Strides of the Approach and the Take-off by Visually Impaired Class F12 and F13 Long Jumpers”. Journal of Human Sport and Exercise 8 (3proc):S671-S680. https://doi.org/10.4100/jhse.2013.8.Proc3.13.