Christos Papadopoulos

Muscle co-activation around the knee in drop jumping using the co-contraction index.

E. Kellis, C. Papadopoulos, F. Arabatzi, 2003, Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology.

Effects of combined strength and kick coordination training on soccer kick biomechanics in amateur players

E Kellis, E. Kellis, C. Papadopoulos, 2006, Scandinavian journal of medicine & science in sports.