Waclaw Petrynski is engineer by education. In 1976-83 worked as physicist in Polish Academy of Sciences, then (1983-2003) in Academies of Physical Education in Wroclaw and Katowice. In 1992 he gained doctorate in physical culture. Since 2003 he works as Assistant Professor in Katowice School of Economics. Since mid-1990s his main field of interest is the motor control. His thinking ... Read moreabout it was strongly influenced by Richard Schmidt, Nikolai Bernstein and system-theoretical perspective by Janusz Morawski. Petrynski's work may be regarded as a specific, original continuation and extending of their ideas. Basing on them, he invented the concepts of modalities' ladder and the movements' management matrix. He is member of International Association of Sport Kinetics. In 2007-2011 he served as General Secretary of the Association. His hobby is sailing. Since 1975 he is ocean yacht skipper. In 1991-1995 he served as vice-president of the Polish Yachting Association, Polish representative in International Sailing Schools Association and Training and Development Committee of International Yacht Racing Union (now International Sailing Federation). Petrynski is married and has three adult children. In 2003-2013 Petrynski wrote scientific features for the journal Sport Wyczynowy entitled Barbarian in the Palace of Science, hence his nickname is Barbarian. Show Less