Sirenko, P.A., S.V. Korolinska, and Y.P. Sirenko. 2013. “Features Interference EMG Leg Extensor Muscles of Skilled Players in the Context of the Special Exercises”. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports 17 (7):70-76. https://sportpedagogy.org.ua/index.php/PPS/article/view/515.