Velocity-specific training in elbow flexors Pousson M, Amiridis IG, Cometti G, Van Hoecke J. European Journal of Applied Physiology, 80(4): 367-372. Journal Impact Factor: 1.5, Times cited: 25

Kellis, E., Baltzopoulos V. (1999) In-vivo determination of hamstrings and quadriceps moment-arms during submaximal knee extension and flexion using videofluoroscopy. Clinical Biomechanics, 14:118-124.

Kellis, E., Baltzopoulos V, (1999) The effects of antagonist force on the intersegmental joint forces during isokinetic efforts of the knee extensors. Journal of Biomechanics, 32:19-25.

Kellis, E. (1999) The effects of fatigue on resultant joint moment, agonist and antagonist activity levels at different angles during repeated isokinetic knee extensions. Journal of Electromyography and Kinesiology, 9:191-199.

Kellis, E, Unnithan V. (1999) Coactivation of biceps femoris and vastus lateralis in children and adults, European Journal of Applied Physiology and Occupational Physiology. 79(6): 504-511.

Kellis, E, Kellis S, Gerodimos V, Manou V. (1999) Reliability of the isokinetic moments of force, non-preferred/preferred leg ratios and reciprocal ratios in circum-pubertal soccer players, Pediatric Exercise Science, 11: 218-228.