/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: KonstantinosChatzini https://cdn.slidesharecdn.com/profile-photo-KonstantinosChatzini-48x48.jpg?cb=1746865688 Dr Konstantinos Chatzinikolaou is a coach, trainer, physical educator, researcher, author, speaker, and co-founder of the Elite Volleyball Camp, which through practice sessions has revolutionized how volleyball athletes can think about human movement and athletic performance. http://elitevolleyballcamp.gr