Dimitrios Katsavelis, PhD

Department

Exercise Science and Pre-Health Professions

Position

Associate Professor

Articles

• BMC Research Notes
  Zuniga, J., Katsavelis, D., Peck, J., Stollberg, J., Petrykowski, M., Carson, A., Fernandez, C. Cyborg beast: a low-cost 3d-printed prosthetic hand for children with upper-limb differences
  8, p. Article ID 10 (9 pages) 2015
• Journal of Electromyography and Kinesiology
  Katsavelis, Dimitrios, Joseph Threlkeld, A. Quantifying thigh muscle co-activation during isometric knee extension contractions: Within- and between-session reliability
  24, p. 502-507 2014
• Journal of Vascular Surgery
  Pisimisis, George T., Bechara, Carlos F., Barshes, Neal R., Katsavelis, Dimitrios, Lin, Peter H., Kougias, Panos Establishing Common Carotid Artery Peak Systolic Velocity Ratio Criteria to Predict Common Carotid Stenosis
  57, p. 50S-51S 2013
• Journal of Motor Behavior
  Mukherjee, M., Siu, K.C., Katsavelis, D., Fayad, P., Stergiou, N. (2011). The influence of visual perception of self-motion on locomotor adaptation to unilateral limb loading. Journal of Motor Behavior, 43(2):101-11.
  43(2), p. 101-11 2011
• Nonlinear dynamics, psychology, and life sciences
  Katsavelis, D., Mukherjee, M., Decker, L., Stergiou, N. (2010). Variability of lower extremity joint kinematics during backward walking in a virtual environment. Nonlinear dynamics, psychology, and life sciences, 14(2):165-78.
  14(2), p. 165-78 2010
• Nonlinear dynamics, psychology, and life sciences
  Katsavelis, D., Mukherjee, M., Decker, L., Stergiou, N. (2010). The effect of virtual reality on gait variability. Nonlinear dynamics, psychology, and life sciences, 14(3):239-56.
  14(3), p. 239-56 2010
• Studies in Health Technology and Informatics
  Brown-Clerk, B., Siu, K-C., Katsavelis, D., Lee, I., Oleynikov, D., Stergiou, N. (2009). Validating advanced robot-assisted laparoscopic training task in virtual reality. Studies in Health Technology and Informatics, 132:45-9.
  132, p. 45-9 2009
• Surgical Endoscopy
  Katsavelis, D., Siu, K-C., Brown-Clerk, B., Lee, I.H., Oleynikov, D. and Stergiou, N. (2009). Validated robotic laparoscopic surgical training in virtual reality environment. Surgical Endoscopy, 23(1):66-73.
  23(1), p. 66-73 2009
• The Journal of Sports Medicine and Physical Fitness
  Potach, D.H., Katsavelis, D., Karst, G.M., Stergiou, N. (2009). The effects of a plyometric training program on the latency time of the quadriceps femoris and gastrocnemius short-latency responses. The Journal of Sports Medicine and Physical Fitness, 49(1):35-43.
  49(1), p. 35-43 2009
• Journal of Strength and Conditioning Research
  Kaufmann, C., Simet, J., Ratliff, K., Katsavelis, D., and Berg, K. (2008). Pacing pattern and physiological responses to a five minute maximal exercise bout. Journal of Strength and Conditioning Research, 22(5):1610-6.
  22(5), p. 1610-6 2008

Publications

• Journal of Sport and Exercise Psychology
  Katsavelis, D., Decker, L., Kochi, N., Stergiou, N. (2008). Effect of optic flow produced by virtual reality on gait variability. Journal of Sport and Exercise Psychology, 30:S97-98.
  30, p. S97-98 2008
• Journal of Biomechanics
  Kochi, N., Decker, L., Katsavelis, D., Stergiou, N. (2008). The minimum number of data points required to compute approximate entropy for gait data. Journal of Biomechanics, 41:S504
  41, p. S504 2008
• Journal of Biomechanics
  Brown-Clerk, B., Siu, K-C, Katsavelis, D., Lee, I.H., Oleynikov, D., Stergiou, N. (2007). Electromyographic Activity Determines Task Difficulty for Robotic Laparoscopic Training Programs. Journal of Biomechanics, 40:S643.
  40, p. 643 2007
• Surgery for Obesity and Related Diseases: Official Journal of the American Society for Bariatric Surgery
  Lee, Y.K., Iqbal, A., Katsavelis, D., Thompson, J., McBride. (2007). Long term outcome of laparoscopic bariatric surgery in elderly patients at university setting. Surgery for Obesity and Related Diseases, 3(3):311-312.
  3(3), p. 311-312 2007
• Journal of Sport and Exercise Psychology
  Katsavelis, D., Siu, K-C., Brown-Clerk B., Lee, I.H. Oleynikov, D., Stergiou, N. (2007). Learning robotic surgical skills with a virtual reality environment. Journal of Sport and Exercise Psychology, 29:S91-92
  29, p. S91-92 2007
• Journal of Sport and Exercise Psychology
  Siu, K-C., Lee, I.H., Brown-Clerk, B., Katsavelis, D., Oleynikov, D., Stergiou, N. (2007). Nonlinear analysis validate the need to learn surgical skill. Journal of Sport and Exercise Psychology, 29:S130.
  29, p. S130 2007
• Journal of Sport and Exercise Psychology
  Katsavelis, D., Kyvelidou, A., Stavropoulos, N., and Stergiou, N. (2006). Neuromuscular-induced fatigue increases running kinematic variability. Journal of Sport and Exercise Psychology, 28:S97-98.
  28, p. 97-98 2006

Presentations

• Threlkeld, A.J., Katsavelis, D., Kogler, K., Bentele, B., Ruminski, E., Huben, N. Heel Impacts as a Weight Bearing Exercise for Osteoporosis and Osteopenia. Accepted for podium presentation at the APTA Combined Section Meeting, Anaheim, California, February 2016. 2016
• Katsavelis, D., Haney, J., Nun, L., Threlkeld, A.J. Persistence of motor unit firing in people with Parkinson's disease-related fatigue. Accepted for podium presentation at the APTA Combined Section Meeting, Anaheim, California, February 2016. 2016
• Pisimisis, G.T., Katsavelis, D., Bechara, C.F., Barshes, N.R., Kougias, P. Common carotid artery peak-systolic velocity ratio predicts high-grade common carotid stenosis. Presented at the 43rd Annual Symposium of the Society for Clinical Vascular Surgery, Miami, Florida, April 2015. 2015
• Knight, E., Smith, R., Than, N., Nun, L., Sikora, A., Eckerson, J, Katsavelis, D. The effect of fatigue on tibial acceleration during an incremental run. Creighton University Honors Day, Omaha, Nebraska, April, 2015. 2015
• Giordano, K., Nishiki, D., Sado, T., Mikkelsen, B., Zuniga, J., Katsavelis, D. Changes in running mechanics during incremental runs pre and post fatigue. Creighton University Honors Day, Omaha, Nebraska, April, 2015. 2015
• Threlkeld, A.J., Katsavelis, D., Huben, N., Grindstaff, T., Givens, D., Bertoni, J. Withdrawal of Anti-Parkinsons medication suppresses central activation of the quadriceps in people with Parkinsons disease-related fatigue. Presented at the Combined Section Meeting, Indianapolis, Indiana, February 2015 2015
• Grindstaff, T.L., Burggraff, D., Whitmore, B.L., Morton, S.K., Palimenio, M.R., Katsavelis, D. Transcutaneous electrical nerve stimulation does not impact clinical measures of athletic performance. Presented at the Combined Section Meeting, Indianapolis, Indiana, February 2105. 2015
• Zuniga, J., Katsavelis, D., Carson, A., Petrykowski, M., Ploutz-Snyder, L. Cyborg Beast: A low-Cost 3D Printed Prosthetic hand for children with upper limb reduction deficiency. Accepted for poster at the NASA Human Research Program, Houston, Texas, January 2015. 2015
• Presentation for community education and recruitment: Dance groups (UNO, 2015). 2015
• Threlkeld, A.J., Katsavelis, D., Faulkner, M.A., Huben, N.B. The effect of walking speed and dopaminergic medication on knee muscle performance in people with Parkinsons disease-related fatigue. Presented at the 7th World Congress of Biomechanics, Boston, Massachusetts, July 2014. 2014
• Katsavelis, D., Huben, N.B., Threlkeld, A.J. Knee extension co-activation index reliability and variability during contractions depends on the combination of muscle segments analyzed. Presented at the 7th World Congress of Biomechanics, Boston, Massachusetts, July 2014. 2014
• Katsavelis, D., Morton, S.K., Grindstaff, T.L., Threlkeld, A.J. The effect of dopaminergic medication on muscle performance in people with Parkinsons disease-related fatigue. Presented at the 3rd World Parkinson Congress, Montreal, Canada, October 2013. 2013
• Threlkeld, A.J., Katsavelis, D., Morton, S.K., Grindstaff, T.L. The effect of dopaminergic medication on muscle performance in people with Parkinsons disease-related fatigue. Presented at the 3rd World Parkinson Congress, Montreal, Canada, October 2013. 2013
• Katsavelis, D., Morton, S.K., Threlkeld, A.J. Within- and between-session reliability for the quantification of the thigh muscles co-activation index during isometric contractions. Presented at the 37thAnnual Meeting of the American Society of Biomechanics, Omaha, Nebraska, September 2013. 2013
• Morton, S.K., Katsavelis, D., Grindstaff, T.L., Threlkeld, A.J. Quadriceps fatigue affects central nervous system activation. Presented at the 37th Annual Meeting of the American Society of Biomechanics, Omaha, Nebraska, September 2013. 2013
• Grindstaff, T.L., Katsavelis, D., Morton, S.K., Threlkeld, A.J. Between session reliability of quadriceps percent voluntary activation and force measures in healthy participants. Presented at the 37th Annual Meeting of the American Society of Biomechanics, Omaha, Nebraska, September 2013. 2013
• Baumert, L.A., Gillen, A.B., Katsavelis, D., Morton, S.K., Threlkeld, A.J. Work required to produce quadriceps fatigue using an isometric exercise protocol: a comparison of younger and older adults. Presented at the Annual St. Alberts Day, Omaha, Nebraska, April 2013. 2013
• Presentation for community education and recruitment at Parkinsons disease symposium 2013 2013
• Presentation for community education and recruitment at Parkinsons disease support groups (Bellevue, 2013). 2013
• Presentation for community education and recruitment at Parkinsons disease symposium 2012 2012
• Siu, K.C., Chien, J.H., Mukherjee, M., Katsavelis, D., Park, S.H., Stergiou, N. Walking in a moving virtual corridor with variable width affects step width variability. Presented at the Neuroscience 40th Annual Meeting, San Diego, California, November 2010. 2010
• Katsavelis, D., Mukherjee, M., Koutakis, P. The effect of virtual reality on human locomotion. Presented at the 4th Elembio Annual Conference, Ioannina, Greece, June 2010. 2010
• Katsavelis, D., Mukherjee, M., Koutakis, P. Blindfolded locomotion on a circular path: testing motor memory and path integration. Presented at the 4th Elembio Annual Conference, Ioannina, Greece, June 2010. 2010
• Koutakis, P., Katsvelis, D., Myers, S.A., Johanning, J.M., Pipinos, I.I., Stergiou, N. Walking velocity does not affect joint powers in peripheral arterial disease. Presented at the 15th Annual Gait and Clinical Movement Analysis Society Conference, Miami, Florida, May 2010. 2010
• Siu, K.C., Mukherjee, M., Katsavelis, D., Chien,, J.H., Stergiou, N. Walking in a moving corridor with variable width size affects step width control. Presented at the 15th Annual Gait and Clinical Movement Analysis Society Conference, Miami, Florida, May 2010. 2010
• Katsavelis, D. Human computer interaction: the effect of virtual reality on human movement. Presented at the 5th Annual Nebraska Research and Innovation conference, Omaha, Nebraska, September, 2009. 2009
• Katsavelis, D. Nonlinear analysis: theoretical background and applications. Invited lecture at the Winter School in Biomechanics, Sao Paolo, Brazil, July, 2009. 2009
• Katsavelis, D. Movement Variability and the Use of Nonlinear Tools: from theory to applications. Workshop at 13th Congress of the Brazilian Society of Biomechanics, Sao Paolo, Brazil, July, 2009. 2009
• Katsavelis, D. Movement Variability in the study of robotic-assisted surgery and animal locomotion. Keynote lecture at 13th Congress of the Brazilian Society of Biomechanics, Sao Paolo, Brazil, July, 2009. 2009
• Katsavelis, D. The future of biomechanics. Keynote lecture at 13th Congress of the Brazilian Society of Biomechanics, Sao Paolo, Brazil, July, 2009. 2009
• Katsavelis, D., Stergiou, N. Nano Legands: an interactive virtual reality game induces high level of physical activity. Presented at the Centennial Celebration of Student Research and Creative Activity, Omaha, Nebraska, March 2009. 2009
• Katsavelis, D., Mukherjee, M., Decker, L., Stergiou, N. Lower extremity joint kinematic variability as produced by virtual reality during backward walking. Presented at the Gait and Clinical Movement Analysis Society, Denver, Colorado, March 2009. 2009
• Mukherjee, M., Katsavelis, D., Stergiou, N. The effect of virtual reality on locomotor adaptation. Presented at the Centennial Celebration of Student Research and Creative Activity, Omaha, Nebraska, March 2009. 2009
• Katsavelis, D., Rickertsen, B., Stergiou, N. (2009). Nano Legands: an interactive virtual reality game induces high level of physical activity. Presented at the Medicine Meets Virtual Reality 17th Annual Meeting, Long Beach, California, January 2009 2009
• Presentation for community education and recruitment: Retirement communities at Sunridge Village, Omaha, 2009 2009
• Presentation for community education and recruitment: Dance groups (UNO, 2009). 2009
• Mukherjee, M., Katsavelis, D. Virtual reality technology in human locomotion. Presented at the 4th Annual Nebraska Research and Innovation Conference, Lincoln, Nebraska, October 2008. 2008
• Siu, K-C., Katsavelis, D. Simulation of advanced robotic surgical technology. Presented at the 4th Annual Nebraska Research and Innovation Conference, Lincloln, Nebraska, October 2008. 2008
• Katsavelis, D., Decker, L., Kochi, N., Stergiou, N. Effect of optic flow produced by virtual reality on gait variability. Presented at the North American Society for the Psychology of Sport and Physical Activity Conference, Niagara Falls, Canada, June, 2008. 2008
• Siu, K-C., Brown-Clerk, B., Katsavelis, D., Lee, I.H., Oleynikov, D., Stergiou, N. Validating advanced robot-assisted laparoscopic training task in virtual reality. Presented at the Medicine Meets Virtual Reality 16th Annual Meeting, Long Beach, California, January 2008. 2008
• Mukherjee, M., Katsavelis D., Stergiou N. The effect of virtual reality on locomotor adaptation. Presented at the Neuroscience 38th Annual Meeting, Washington D.C., 2008. 2008
• Katsavelis, D. The value of virtual reality for the study of human locomotion. Invited lecture at the University of Ioannina Medical Center, Ioannina, Greece, December, 2007. 2007
• Brown-Clerk, B., Siu, K-C., Katsavelis, D., Lee, I.H., Oleynikov, D., and Stergiou, N. Electromyographic activity determines task difficulty for robotic laparoscopic training programs. Presented at the International Society of Biomechanics Conference, Taipei, Taiwan, July, 2007. 2007
• Katsavelis, D., Siu, K-C., Brown-Clerk B., Lee, I.H. Oleynikov, D., Stergiou, N. Learning robotic surgical skills with a virtual reality environment. Presented at the North American Society for the Psychology of Sport and Physical Activity Conference, San Diego, California, June, 2007. 2007
• Siu, K-C., Lee, I.H., Brown-Clerk, B., Katsavelis, D., Oleynikov, D., Stergiou, N. Nonlinear analysis validate the need to learn surgical skill. Presented at the North American Society for the Psychology of Sport and Physical Activity Conference, San Diego, California, June, 2007. 2007
• Siu, K-C., Brown-Clerk, B., Katsavelis, D., Lee, I.H., Oleynikov, D. and Stergiou, N. Validated robotic laparoscopic surgical training in virtual reality environment. Presented at the Annual Meeting of the Society of American Gastointestinal Endoscopic Surgeons, Las Vegas, Nevada, April, 2007. 2007
• Lee, Y.K., Iqbal, A., Katsavelis, D., Thompson, J., and McBride, C. Oleynikov. Long term outcome of laparoscopic bariatric surgery in elderly patients at university setting. Presented at the Annual Meeting of the American Society of Bariatric Surgery, San Diego, California, June, 2007. 2007
• Siu K.-C., Brown-Clerk B., Lee I.H., Katsavelis D., Oleynikov D., Stergiou N. The Negative Impact of Noisy Environment on Robotic Surgery. Presented at the Neuroscience 37th Annual Meeting, San Diego, California, 2007. 2007
• Katsavelis, D., Kyvelidou, A. and Stergiou, N. The effect of fatigue on movement variability during running. Presented at the 30th Annual Meeting of the American Society of Biomechanics, Blacksburg, Virginia, September, 2006. 2006
• Katsavelis, D., Kyvelidou, A., Stavropoulos, N., and Stergiou, N. Neuromuscular induced fatigue increases running kinematic variability. Presented at the North American Society for the Psychology of Sport and Physical Activity Conference, Denver, Colorado, June, 2006. 2006
• Katsavelis, D., Stergiou, N., and Korellis, G. The effect of fatigue on running mechanics. Presented at the 12th International Congress on Physical Education and Sport. Komotini, Greece, May, 2004. 2004
• Katsavelis, D., Blanke, D., and Stergiou, N. The value of gait analysis: a bibliographical evaluation. Presen-ted at the 12th International Congress on Physical Education and Sport. Komotini, Greece, May, 2004. 2004
• Katsavelis, D., and Kurz, M.X. Effect of athletic shoes on altering muscular strength due to sensory feedback and its relationship with lower extremity injuries. Presented at the 12th International Congress on Physical Education and Sport. Komotini, Greece, May, 2004. 2004
• Katsavelis, D., Berg, K., and Korellis, G. EMG activity of lower limb muscles during a maximal cycling test. Presented at the 12th International Congress on Physical Education and Sport. Komotini, Greece, May, 2004. 2004

Foundation/Association

• Co-Investigator | Low-Cost 3D Printed Prosthetic Devices for Children and Adults with Upper Limb Differences. PI: Jorge Zuniga. Granter: NASA Nebraska EPSCoR Research Mini-Grant, 2014-2015, $19,896.

Federal

• Co-Investigator | Differentiation of central versus peripheral fatigue in Parkinson’s disease. PI: A. Joseph Threlkeld. Grantor: National Institute of Health (R15), 2012-2015, $360,981.

Other

• The effect of virtual reality on movement variability. Grantor: Graduate Studies Research Fellowship (University of Nebraska Medical Center), 2008-2010, $45,000 + tuition.

Awards

• Award for oral presentation during the UNO Centenial Celebration Research Fair, 2009
  UNO Centenial Celebration Research Fair
• Graduate studies Research Fellowship, 2008 - 2010
  University of Nebraska Medical Center
• Tuition remission thru the Graduate Studies office (UNMC), 2008 - 2010
  UNMC
• Grant-in-aid for traveling cost from UNO Dean’s office, 2007-2010.
  UNO Dean’s office
• Graduate Assistantship in the Biomechanics Lab , 2007 - 2008.
  University of Nebraska at Omaha
• Graduate Assistantship in the Department of Kinesiology, 2004 - 2006.
  Indiana University
• Who is Who among American students, 2004.
• Graduate Assistantship in the Biomechanics Lab, 2002 - 2003.
  University of Nebraska at Omaha
• Athlete of the year, 1997 & 1998.
  Heraklio, Creece (National Junior Team in track and field),

Consulting

• Scientific consultant
  “Locomotion” team
  2009 - 2009
• Scientific consultant
  Orthopedic Sports Medicine Center
  2007 - 2007