Nicholas Stergiou, PhD

Professor

  • 6867 Citations
  • 40 h-Index
19952019
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Research Output 1995 2019

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Article
2011

Tibial rotational kinematics and neuromuscular control after anterior cruciate ligament reconstruction with the bone-patellar tendon-bone autograft versus quadrupled hamstrings

Ristanis, S., Moraitina, C., Zampeli, F., Giotis, D., Xergia, S., Georgiou, S., Stergiou, N. & Georgoulis, A. D., Nov 1 2011, In : European Musculoskeletal Review. 6, 4, p. 280-285 6 p.

Research output: Contribution to journalArticle

Patellar Ligament
Anterior Cruciate Ligament Reconstruction
Autografts
Biomechanical Phenomena
Knee
31 Citations (Scopus)

Velocity at lactate threshold and running economymust also be considered alongwith maximal oxygen uptake when testing elite soccer players during preseason

Ziogas, G. G., Patras, K. N., Stergiou, N. & Georgoulis, A. D., Feb 1 2011, In : Journal of strength and conditioning research. 25, 2, p. 414-419 6 p.

Research output: Contribution to journalArticle

Soccer
Running
Lactic Acid
Oxygen
Blood Gas Analysis
25 Citations (Scopus)

Walking abnormalities are associated with COPD: An investigation of the NHANES III dataset

Yentes, J. M., Sayles, H., Meza, J. L., Mannino, D. M., Rennard, S. I. & Stergiou, N., Jan 1 2011, In : Respiratory Medicine. 105, 1, p. 80-87 8 p.

Research output: Contribution to journalArticle

Nutrition Surveys
Chronic Obstructive Pulmonary Disease
Walking
Health
Exercise
2010
29 Citations (Scopus)
Torque
Joints
Pain
Hip
Knee
7 Citations (Scopus)

ACL reconstructed patients with a BPTB graft present an impaired vastus lateralis neuromuscular response during high intensity running

Patras, K., Ziogas, G., Ristanis, S., Tsepis, E., Stergiou, N. & Georgoulis, A. D., Nov 1 2010, In : Journal of Science and Medicine in Sport. 13, 6, p. 573-577 5 p.

Research output: Contribution to journalArticle

Bone-Patellar Tendon-Bone Grafts
Anterior Cruciate Ligament
Quadriceps Muscle
Running
Leg
42 Citations (Scopus)

A comparison of interventions for children with cerebral palsy to improve sitting postural control: A clinical trial

Harbourne, R. T., Willett, S., Kyvelidou, A., Deffeyes, J. & Stergiou, N., Dec 1 2010, In : Physical therapy. 90, 12, p. 1881-1898 18 p.

Research output: Contribution to journalArticle

Cerebral Palsy
Clinical Trials
Pressure
Outcome Assessment (Health Care)
Posture
40 Citations (Scopus)

Anterior cruciate ligament reconstruction results in alterations in gait variability

Moraiti, C. O., Stergiou, N., Vasiliadis, H. S., Motsis, E. & Georgoulis, A., Jun 1 2010, In : Gait and Posture. 32, 2, p. 169-175 7 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament Reconstruction
Gait
Leg
Extremities
Autografts
26 Citations (Scopus)

A remote markerless human gait tracking for e-healthcare based on content-aware wireless multimedia communications

Luo, H., Ci, S., Wu, D., Stergiou, N. & Siu, J. K-C., Feb 1 2010, In : IEEE Wireless Communications. 17, 1, p. 44-50 7 p., 5416349.

Research output: Contribution to journalArticle

Wireless networks
Communication
Gait analysis
Costs
Cameras
30 Citations (Scopus)

Attractor divergence as a metric for assessing walking balance

Kurz, M. J., Markopoulou, K. & Stergiou, N., Apr 2010, In : Nonlinear Dynamics, Psychology, and Life Sciences. 14, 2, p. 151-164 14 p.

Research output: Contribution to journalArticle

Attractor
Divergence
Parkinson's Disease
Metric
Simulation
29 Citations (Scopus)

Effects of varying amounts of pronation on the mediolateral ground reaction forces during barefoot versus shod running

Morley, J. B., Decker, L. M., Dierks, T., Blanke, D., French, J. A. & Stergiou, N., May 2010, In : Journal of applied biomechanics. 26, 2, p. 205-214 10 p.

Research output: Contribution to journalArticle

Pronation
Shoes
Mechanics
Research
Biomechanical Phenomena
17 Citations (Scopus)
Gait
Reperfusion
Ischemia
Hip
Knee
74 Citations (Scopus)

Head and shoulder posture affect scapular mechanics and muscle activity in overhead tasks

Thigpen, C. A., Padua, D. A., Michener, L. A., Guskiewicz, K., Giuliani, C., Keener, J. D. & Stergiou, N., Aug 1 2010, In : Journal of Electromyography and Kinesiology. 20, 4, p. 701-709 9 p.

Research output: Contribution to journalArticle

Mechanics
Posture
Muscles
Shoulder Pain
Biomechanical Phenomena
30 Citations (Scopus)
Peripheral Arterial Disease
Torque
Walking
Extremities
Joints
14 Citations (Scopus)

Lyapunov exponent and surrogation analysis of patterns of variability: Profiles in new walkers with and without down syndrome

Smith, B. A., Stergiou, N. & Ulrich, B. D., Jan 2010, In : Motor Control. 14, 1, p. 126-142 17 p.

Research output: Contribution to journalArticle

Walkers
Down Syndrome
Periodicity
Gait
Walking
40 Citations (Scopus)

Nonlinear analysis of ambulatory activity patterns in community-dwelling older adults

Cavanaugh, J. T., Kochi, N. & Stergiou, N., Apr 9 2010, In : Journals of Gerontology - Series A Biological Sciences and Medical Sciences. 65, 2, p. 197-203 7 p.

Research output: Contribution to journalArticle

Independent Living
Entropy
Nonlinear Dynamics
Walking
Analysis of Variance
33 Citations (Scopus)

Reliability of center of pressure measures for assessing the development of sitting postural control in infants with or at risk of cerebral palsy

Kyvelidou, A., Harbourne, R. T., Shostrom, V. K. & Stergiou, N., Oct 2010, In : Archives of Physical Medicine and Rehabilitation. 91, 10, p. 1593-1601 9 p.

Research output: Contribution to journalArticle

Cerebral Palsy
Pressure
Reproducibility of Results
Hospital Laboratories
Entropy
9 Citations (Scopus)

Severity and characteristics of developmental delay can be assessed using variability measures of sitting posture

Kyvelidou, A., Harbourne, R. T. & Stergiou, N., Aug 19 2010, In : Pediatric Physical Therapy. 22, 3, p. 259-266 8 p.

Research output: Contribution to journalArticle

Posture
Cerebral Palsy
Pressure
21 Citations (Scopus)

Stride-to-stride variability is altered during backward walking in anterior cruciate ligament deficient patients

Zampeli, F., Moraiti, C. O., Xergia, S., Tsiaras, V. A., Stergiou, N. & Georgoulis, A. D., Dec 1 2010, In : Clinical Biomechanics. 25, 10, p. 1037-1041 5 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament
Walking
Knee
Knee Joint
Nonlinear Dynamics
26 Citations (Scopus)

The effect of music on robot-assisted laparoscopic surgical performance

Siu, J. K-C., Suh, I. H., Mukherjee, M., Oleynikov, D. & Stergiou, N., Dec 1 2010, In : Surgical Innovation. 17, 4, p. 306-311 6 p.

Research output: Contribution to journalArticle

Music
Robotics
Humulus
Muscles
Electromyography
3 Citations (Scopus)
Peripheral Arterial Disease
Gait
Biomechanical Phenomena
Pharmacology
Therapeutics
26 Citations (Scopus)

The effect of virtual reality on gait variability

Katsavelis, D., Mukherjee, M., Decker, L. & Stergiou, N., Jul 1 2010, In : Nonlinear Dynamics, Psychology, and Life Sciences. 14, 3, p. 239-256 18 p.

Research output: Contribution to journalArticle

Gait
Virtual Reality
Virtual reality
Optics
Exercise equipment
27 Citations (Scopus)

The impact of environmental noise on robot-assisted laparoscopic surgical performance

Siu, J. K-C., Suh, I. H., Mukherjee, M., Oleynikov, D. & Stergiou, N., Jan 1 2010, In : Surgery. 147, 1, p. 107-113 7 p.

Research output: Contribution to journalArticle

Noise
Robotics
Operating Rooms
Surgical Instruments
Muscles
6 Citations (Scopus)
Peripheral Arterial Disease
Gait
Pharmacology
Pentoxifylline
Walking
26 Citations (Scopus)

Variability of Lower Extremity Joint Kinematics During Backward Walking in a Virtual Environment

Katsavelis, D., Mukherjee, M., Decker, L. & Stergiou, N., Apr 1 2010, In : Nonlinear Dynamics, Psychology, and Life Sciences. 14, 2, p. 165-178 14 p.

Research output: Contribution to journalArticle

Virtual Environments
Virtual reality
Optics
Kinematics
Patient rehabilitation
2009
17 Citations (Scopus)
Anterior Cruciate Ligament Reconstruction
Autografts
Leg
Transplants
Sports
26 Citations (Scopus)

Complexity of postural control in infants: linear and nonlinear features revealed by principal component analysis

Harbourne, R. T., Deffeyes, J. E., Kyvelidou, A. & Stergiou, N., Jan 1 2009, In : Nonlinear Dynamics, Psychology, and Life Sciences. 13, 1, p. 123-144 22 p.

Research output: Contribution to journalArticle

Principal component analysis
Principal Component Analysis
Nonlinear Dynamics
Time series
Nonlinear analysis
13 Citations (Scopus)

Development of upper body coordination during sitting in typically developing infants

Kyvelidou, A., Stuberg, W. A., Harbourne, R. T., Deffeyes, J. E., Blanke, D. & Stergiou, N., May 1 2009, In : Pediatric Research. 65, 5, p. 553-558 6 p.

Research output: Contribution to journalArticle

Pelvis
Thorax
Physical Therapists
Posture
Biomechanical Phenomena
39 Citations (Scopus)

Effect of femoral tunnel placement for reconstruction of the anterior cruciate ligament on tibial rotation

Ristanis, S., Stergiou, N., Siarava, E., Ntoulia, A., Mitsionis, G. & Georgoulis, A. D., Sep 1 2009, In : Journal of Bone and Joint Surgery - Series A. 91, 9, p. 2151-2158 8 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament Reconstruction
Thigh
Lower Extremity
Bone-Patellar Tendon-Bone Grafts
Anterior Cruciate Ligament
36 Citations (Scopus)

Electromechanical delay of the knee flexor muscles is impaired after harvesting hamstring tendons for anterior cruciate ligament reconstruction

Ristanis, S., Tsepis, E., Giotis, D., Stergiou, N., Cerulli, G. & Georgoulis, A. D., Dec 2 2009, In : American Journal of Sports Medicine. 37, 11, p. 2179-2186 8 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament Reconstruction
Knee
Muscles
Anterior Cruciate Ligament
Tendons
7 Citations (Scopus)

Electromyographic response is altered during robotic surgical training with augmented feedback

Judkins, T. N., Oleynikov, D. & Stergiou, N., Jan 5 2009, In : Journal of Biomechanics. 42, 1, p. 71-76 6 p.

Research output: Contribution to journalArticle

Electromyography
Robotics
Feedback
Hand Strength
Muscle
5 Citations (Scopus)

Factors affecting functional reach scores in youth with typical development

Volkman, K. G., Stergiou, N., Stuberg, W. A., Blanke, D. & Stoner, J., Mar 1 2009, In : Pediatric Physical Therapy. 21, 1, p. 38-44 7 p.

Research output: Contribution to journalArticle

Fingers
Toes
Arm
45 Citations (Scopus)

Gait variability is altered in patients with peripheral arterial disease

Myers, S. A., Johanning, J. M., Stergiou, N., Celis, R. I., Robinson, L. & Pipinos, I. I., Apr 2009, In : Journal of vascular surgery. 49, 4, p. 924-931.e1

Research output: Contribution to journalArticle

Peripheral Arterial Disease
Gait
Joints
Ankle
Hip
14 Citations (Scopus)

High intensity running results in an impaired neuromuscular response in ACL reconstructed individuals

Patras, K., Ziogas, G., Ristanis, S., Tsepis, E., Stergiou, N. & Georgoulis, A. D., Jun 8 2009, In : Knee Surgery, Sports Traumatology, Arthroscopy. 17, 8, p. 977-984 8 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament
Running
Quadriceps Muscle
Leg
Fatigue
34 Citations (Scopus)

Infants born preterm exhibit different patterns of center-of-pressure movement than infants born at full term

Dusing, S. C., Kyvelidou, A., Mercer, V. S. & Stergiou, N., Dec 1 2009, In : Physical therapy. 89, 12, p. 1354-1362 9 p.

Research output: Contribution to journalArticle

Premature Infants
Pressure
Entropy
Head
Gestational Age
42 Citations (Scopus)

Nonlinear analysis of sitting postural sway indicates developmental delay in infants

Deffeyes, J. E., Harbourne, R. T., Kyvelidou, A., Stuberg, W. A. & Stergiou, N., Aug 1 2009, In : Clinical Biomechanics. 24, 7, p. 564-570 7 p.

Research output: Contribution to journalArticle

Cerebral Palsy
Child Development
Posture
Pathology
Pressure
9 Citations (Scopus)

Nonlinear detrended fluctuation analysis of sitting center-of-pressure data as an early measure of motor development pathology in infants

Deffeyes, J. E., Kochi, N., Harbourne, R. T., Kyvelidou, A., Stuberg, W. A. & Stergiou, N., Oct 1 2009, In : Nonlinear Dynamics, Psychology, and Life Sciences. 13, 4, p. 351-368 18 p.

Research output: Contribution to journalArticle

Pathology
Fluctuations
Time Series Data
Time series
Fractal
72 Citations (Scopus)

Objective evaluation of expert and novice performance during robotic surgical training tasks

Judkins, T. N., Oleynikov, D. & Stergiou, N., Mar 1 2009, In : Surgical Endoscopy and Other Interventional Techniques. 23, 3, p. 590-597 8 p.

Research output: Contribution to journalArticle

Robotics
Laparoscopy
Minimally Invasive Surgical Procedures
Medical Students
Biomechanical Phenomena
39 Citations (Scopus)

Peripheral arterial disease affects kinematics during walking

Celis, R., Pipinos, I. I., Scott-Pandorf, M. M., Myers, S. A., Stergiou, N. & Johanning, J. M., Jan 1 2009, In : Journal of vascular surgery. 49, 1, p. 127-132 6 p.

Research output: Contribution to journalArticle

Peripheral Arterial Disease
Biomechanical Phenomena
Walking
Ankle
Hip Joint
112 Citations (Scopus)

Physiological demands of competitive basketball

Narazaki, K., Berg, K., Stergiou, N. & Chen, B., Jun 1 2009, In : Scandinavian Journal of Medicine and Science in Sports. 19, 3, p. 425-432 8 p.

Research output: Contribution to journalArticle

Basketball
Running
Lactic Acid
Oxygen Consumption
Walking
25 Citations (Scopus)

Reliability of Center of Pressure Measures for Assessing the Development of Sitting Postural Control

Kyvelidou, A., Harbourne, R. T., Stuberg, W. A., Sun, J. & Stergiou, N., Jul 1 2009, In : Archives of Physical Medicine and Rehabilitation. 90, 7, p. 1176-1184 9 p.

Research output: Contribution to journalArticle

Pressure
Entropy
Hospital Laboratories
Aptitude
Solar System
32 Citations (Scopus)

The Effect of Anterior Cruciate Ligament Reconstruction on Stride-to-Stride Variability

Moraiti, C. O., Stergiou, N., Ristanis, S., Vasiliadis, H. S., Patras, K., Lee, C. & Georgoulis, A. D., Jul 1 2009, In : Arthroscopy - Journal of Arthroscopic and Related Surgery. 25, 7, p. 742-749 8 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament Reconstruction
Bone and Bones
Patellar Ligament
Entropy
Anterior Cruciate Ligament
13 Citations (Scopus)

The effects of a plyometric training program on the latency time of the quadriceps femoris and gastrocnemius short-latency responses

Potach, D. H., Katsavelis, D., Karst, G. M., Latin, R. W. & Stergiou, N., Mar 1 2009, In : Journal of Sports Medicine and Physical Fitness. 49, 1, p. 35-43 9 p.

Research output: Contribution to journalArticle

Plyometric Exercise
Quadriceps Muscle
Reaction Time
Education
Stretch Reflex
10 Citations (Scopus)

The effects of shoe traction and obstacle height on lower extremity coordination dynamics during walking

Decker, L., Houser, J. J., Noble, J. M., Karst, G. M. & Stergiou, N., Sep 2009, In : Applied Ergonomics. 40, 5, p. 895-903 9 p.

Research output: Contribution to journalArticle

Shoes
Traction
Dynamic analysis
Walking
Lower Extremity
24 Citations (Scopus)

Use of information entropy measures of sitting postural sway to quantify developmental delay in infants

Deffeyes, J. E., Harbourne, R. T., Dejong, S. L., Kyvelidou, A., Stuberg, W. A. & Stergiou, N., Sep 7 2009, In : Journal of NeuroEngineering and Rehabilitation. 6, 1, 34.

Research output: Contribution to journalArticle

Entropy
Aptitude
Child Development
Population
Pressure
32 Citations (Scopus)

Validated robotic laparoscopic surgical training in a virtual-reality environment

Katsavelis, D., Siu, J. K-C., Brown-Clerk, B., Lee, I. H., Lee, Y. K., Oleynikov, D. & Stergiou, N., Jan 1 2009, In : Surgical Endoscopy and Other Interventional Techniques. 23, 1, p. 66-73 8 p.

Research output: Contribution to journalArticle

Robotics
Needles
Volunteers
Wrist
Laparoscopy
2008
20 Citations (Scopus)

Aging and partial body weight support affects gait variability

Kyvelidou, A., Kurz, M. J., Ehlers, J. L. & Stergiou, N., Oct 16 2008, In : Journal of NeuroEngineering and Rehabilitation. 5, 22.

Research output: Contribution to journalArticle

Gait
Body Weight
Biomechanical Phenomena
Training Support
Lower Extremity
38 Citations (Scopus)

Bilateral claudication results in alterations in the gait biomechanics at the hip and ankle joints

Chen, S. J., Pipinos, I. I., Johanning, J. M., Radovic, M., Huisinga, J. M., Myers, S. A. & Stergiou, N., Aug 1 2008, In : Journal of Biomechanics. 41, 11, p. 2506-2514 9 p.

Research output: Contribution to journalArticle

Ankle Joint
Biomechanics
Hip Joint
Gait
Biomechanical Phenomena
60 Citations (Scopus)
Peripheral Arterial Disease
Walking
Ankle Brachial Index
Pain
Outcome Assessment (Health Care)
9 Citations (Scopus)

Enhanced robotic surgical training using augmented cisual feedback

Judkins, T. N., Oleynikov, D. & Stergiou, N., Mar 1 2008, In : Surgical Innovation. 15, 1, p. 59-68 10 p.

Research output: Contribution to journalArticle

Robotics
Hand Strength
Sensory Feedback
Medical Students
4 Citations (Scopus)

Objective evaluation of expert performance during human robotic surgical procedures

Judkins, T. N., Oleynikov, D. & Stergiou, N., Feb 1 2008, In : Journal of Robotic Surgery. 1, 4, p. 307-312 6 p.

Research output: Contribution to journalArticle

Robotics
Sutures
Needles
Task Performance and Analysis
Hand Strength