Andrey Koptyug - Associate Professor of Mechanical Engineering Mid Sweden University, Sports Tech Research Centre, Östersund, Sweden E-mail: andrei.koptioug@miun.se Lars-Erik Rännar - Associate Professor of Mechanical Engineering Mid Sweden University, Sports Tech Research Centre, Östersund, Sweden E-mail: lars-erik.rannar@miun.se Mikael Bäckström - Professor of Mechanical Engineering Mid Sweden University, SportsTech Research Centre, Östersund, Sweden E-mail: mikael.backstrom@miun.se Roman Surmenev - Department of Experimental Physics, National Research Tomsk Polytechnic University, Russia E-mail: surmenev@tpu.ru