Nicholas Stergiou, PhD

Professor

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

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Article
29 Citations (Scopus)
Torque
Joints
Pain
Hip
Knee
70 Citations (Scopus)

ACL deficiency affects stride-to-stride variability as measured using nonlinear methodology

Moraiti, C., Stergiou, N., Ristanis, S. & Georgoulis, A. D., Dec 1 2007, In : Knee Surgery, Sports Traumatology, Arthroscopy. 15, 12, p. 1406-1413 8 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament
Knee
Walking
Knee Joint
Gait
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
18 Citations (Scopus)

Adaptation and prosthesis effects on stride-to-stride fluctuations in amputee gait

Wurdeman, S. R., Myers, S. A., Jacobsen, A. L. & Stergiou, N., Jun 23 2014, In : PloS one. 9, 6, e100125.

Research output: Contribution to journalArticle

Amputees
prostheses
gait
Gait
Ankle
60 Citations (Scopus)

A dynamical systems investigation of lower extremity coordination during running over obstacles

Stergiou, N., Jensen, J. L., Bates, B. T., Scholten, S. D. & Tzetzis, G., Mar 10 2001, In : Clinical Biomechanics. 16, 3, p. 213-221 9 p.

Research output: Contribution to journalArticle

Systems Theory
Lower Extremity
Wounds and Injuries
Thigh
Mechanics
6 Citations (Scopus)

Aging affects postural tracking of complex visual motion cues

Sotirakis, H., Kyvelidou, A., Mademli, L., Stergiou, N. & Hatzitaki, V., Sep 1 2016, In : Experimental Brain Research. 234, 9, p. 2529-2540 12 p.

Research output: Contribution to journalArticle

Cues
Entropy
Posture
Young Adult
Age Groups
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
11 Citations (Scopus)

Amputation effects on the underlying complexity within transtibial amputee ankle motion

Wurdeman, S. R., Myers, S. A. & Stergiou, N., Mar 1 2014, In : Chaos (Woodbury, N.Y.). 24, 1, 1 p.

Research output: Contribution to journalArticle

Amputees
Prosthetics
Amputation
Ankle
Prostheses and Implants
Social Adjustment
Diabetic Neuropathies
Peripheral Nervous System Diseases
Gait
Leg
40 Citations (Scopus)
Hip Joint
Chaos theory
Walking
Locomotion
Locomotives
52 Citations (Scopus)

An improved surrogate method for detecting the presence of chaos in gait

Miller, D. J., Stergiou, N. & Kurz, M. J., Oct 31 2006, In : Journal of Biomechanics. 39, 15, p. 2873-2876 4 p.

Research output: Contribution to journalArticle

Gait
Chaos theory
Time series
Entropy
Electroencephalography

A novel and safe approach to simulate cutting movements using ground reaction forces

Lanier, A. S., Knarr, B. A., Stergiou, N. & Buchanan, T. S., Aug 11 2018, In : Sensors (Switzerland). 18, 8, 2631.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament
Force control
Advisory Committees
Knee Injuries
Sensory Feedback
81 Citations (Scopus)
Anterior Cruciate Ligament
Entropy
Walking
Orthopedics
Knee
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
4 Citations (Scopus)

Anterior cruciate ligament reconstruction with a quadrupled hamstring autograft does not restore tibial rotation

Georgoulis, A. D., Ristanis, S., Chouliaras, V., Moraiti, C. & Stergiou, N., Sep 1 2005, In : Techniques in Orthopaedics. 20, 3, p. 328-333 6 p.

Research output: Contribution to journalArticle

Anterior Cruciate Ligament Reconstruction
Autografts
Transplants
Anterior Cruciate Ligament
Cartilage
17 Citations (Scopus)
Anterior Cruciate Ligament Reconstruction
Autografts
Leg
Transplants
Sports
18 Citations (Scopus)

Anterior-posterior and medial-lateral control of sway in infants during sitting acquisition does not become adult-like

Cignetti, F., Kyvelidou, A., Harbourne, R. T. & Stergiou, N., Jan 1 2011, In : Gait and Posture. 33, 1, p. 88-92 5 p.

Research output: Contribution to journalArticle

Motor Skills
Child Development
Posture
Direction compound
Research
2 Citations (Scopus)

An unstable shoe with a rocker bottom redistributes external work

Wurdeman, S. R., Yentes, J. M., Huben, N. B. & Stergiou, N., Jun 1 2012, In : Footwear Science. 4, 2, p. 153-158 6 p.

Research output: Contribution to journalArticle

rocker
Shoes
Hip
energy
Ankle Joint
7 Citations (Scopus)

A perceptual motor intervention improves play behavior in children with moderate to severe cerebral palsy

Ryalls, B. O., Harbourne, R., Kelly-Vance, L., Wickstrom, J., Stergiou, N. & Kyvelidou, A., Jan 1 2016, In : Frontiers in Psychology. 7, MAY, 643.

Research output: Contribution to journalArticle

Child Behavior
Cerebral Palsy
Hand
Outcome Assessment (Health Care)
93 Citations (Scopus)
Entropy
Young Adult
Task Performance and Analysis
Pressure
Aptitude
22 Citations (Scopus)

Approximate entropy used to assess sitting postural sway of infants with developmental delay

Deffeyes, J. E., Harbourne, R. T., Stuberg, W. A. & Stergiou, N., Feb 1 2011, In : Infant Behavior and Development. 34, 1, p. 81-99 19 p.

Research output: Contribution to journalArticle

Entropy
Cerebral Palsy
16 Citations (Scopus)

Approximate entropy values demonstrate impaired neuromotor control of spontaneous leg activity in infants with myelomeningocele

Smith, B. A., Teulier, C., Sansom, J., Stergiou, N. & Ulrich, B. D., Sep 1 2011, In : Pediatric Physical Therapy. 23, 3, p. 241-247 7 p.

Research output: Contribution to journalArticle

Meningomyelocele
Entropy
Leg
Periodicity
Systems Analysis
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
73 Citations (Scopus)

Asynchrony between subtalar and knee joint function during running

Stergiou, N., Bates, B. T. & James, S. L., Jan 1 1999, In : Medicine and science in sports and exercise. 31, 11, p. 1645-1655 11 p.

Research output: Contribution to journalArticle

Subtalar Joint
Knee Joint
Pronation
Supination
Ataxia
15 Citations (Scopus)

A template for the exploration of chaotic locomotive patterns

Kurz, M. J., Stergiou, N., Heidel, J. & Foster, E. T., Jan 1 2005, In : Chaos, Solitons and Fractals. 23, 2, p. 485-493 9 p.

Research output: Contribution to journalArticle

locomotives
Template
templates
locomotion
Locomotion
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
9 Citations (Scopus)

Baseline measures are altered in biomechanical studies

Stergiou, N. & Scott, M. M., Jan 1 2005, In : Journal of Biomechanics. 38, 1, p. 175-178 4 p.

Research output: Contribution to journalArticle

Biomechanical Phenomena
Kinematics
Kinetics
Biomechanics
Design of experiments
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
12 Citations (Scopus)

Biomechanical analyses of stair-climbing while dual-tasking

Vallabhajosula, S., Tan, C. W., Mukherjee, M., Davidson, A. J. & Stergiou, N., Apr 13 2015, In : Journal of Biomechanics. 48, 6, p. 921-929 9 p.

Research output: Contribution to journalArticle

Stairs
Biomechanical Phenomena
Joints
Toes
Activities of Daily Living
1 Citation (Scopus)

Center of pressure and the projection of the time-course of sitting skill acquisition

Haworth, J. L., Harbourne, R. T., Vallabhajosula, S. & Stergiou, N., Sep 1 2013, In : Gait and Posture. 38, 4, p. 806-811 6 p.

Research output: Contribution to journalArticle

Pressure
Discriminant Analysis
Direction compound

Changes in human walking dynamics induced by uneven terrain are reduced with ongoing exposure, but a higher variability persists

Kent, J. A., Sommerfeld, J. H. & Stergiou, N., Dec 1 2019, In : Scientific reports. 9, 1, 17664.

Research output: Contribution to journalArticle

Open Access
Walking
Thigh
Young Adult
2 Citations (Scopus)

Children's looking preference for biological motion may be related to an affinity for mathematical chaos

Haworth, J. L., Kyvelidou, A., Fisher, W. W. & Stergiou, N., Jan 1 2015, In : Frontiers in Psychology. 6, MAR, 1 p.

Research output: Contribution to journalArticle

Recurrence
Child Development
Posture
2 Citations (Scopus)

Children with moderate to severe cerebral palsy may not benefit from stochastic vibration when developing independent sitting

Kyvelidou, A., Harbourne, R. T., Haworth, J., Schmid, K. K. & Stergiou, N., Mar 10 2017, (Accepted/In press) In : Developmental Neurorehabilitation. p. 1-9 9 p.

Research output: Contribution to journalArticle

Cerebral Palsy
Vibration
Outcome Assessment (Health Care)
Pressure
Therapeutics
60 Citations (Scopus)
Peripheral Arterial Disease
Walking
Ankle Brachial Index
Pain
Outcome Assessment (Health Care)
36 Citations (Scopus)

Comparison of gait patterns between young and elderly women: An examination of coordination

Byrne, J. E., Stergiou, N., Blanke, D., Houser, J. J., Kurz, M. J. & Hageman, P. A., Feb 2002, In : Perceptual and motor skills. 94, 1, p. 265-280 16 p.

Research output: Contribution to journalArticle

Gait
Thigh
Weights and Measures
Biomechanical Phenomena
Ankle
25 Citations (Scopus)

Complex adaptive behavior and dexterous action

Harrison, S. J. & Stergiou, N., Jan 1 2015, In : Nonlinear Dynamics, Psychology, and Life Sciences. 19, 4, p. 345-394 50 p.

Research output: Contribution to journalArticle

Adaptive Behavior
Neurology
Human Behavior
Interactivity
Self-organization
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
152 Citations (Scopus)

Detecting altered postural control after cerebral concussion in athletes with normal postural stability

Cavanaugh, J. T., Guskiewicz, K. M., Giuliani, C., Marshall, S., Mercer, V. & Stergiou, N., Nov 1 2005, In : British Journal of Sports Medicine. 39, 11, p. 805-811 7 p.

Research output: Contribution to journalArticle

Brain Concussion
Entropy
Athletes
Pressure
Wounds and Injuries
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
30 Citations (Scopus)

Does footwear affect ankle coordination strategies?

Kurz, M. J. & Stergiou, N., Jan 1 2004, In : Journal of the American Podiatric Medical Association. 94, 1, p. 53-58 6 p.

Research output: Contribution to journalArticle

Shoes
Ankle
Systems Theory
Hardness
Biomechanical Phenomena
21 Citations (Scopus)
Nonlinear Dynamics
Locomotion
Gait
Ankle Joint
Hip Joint
14 Citations (Scopus)

Do lower-extremity joint dynamics change when stair negotiation is initiated with a self-selected comfortable gait speed?

Vallabhajosula, S., Yentes, J. M., Momcilovic, M., Blanke, D. J. & Stergiou, N., Feb 1 2012, In : Gait and Posture. 35, 2, p. 203-208 6 p.

Research output: Contribution to journalArticle

Negotiating
Biomechanical Phenomena
Hip
Lower Extremity
Joints
1 Citation (Scopus)

Dynamic balance changes within three weeks of fitting a new prosthetic foot component

Kent, J. A., Stergiou, N. & Wurdeman, S. R., Oct 2017, In : Gait and Posture. 58, p. 23-29 7 p.

Research output: Contribution to journalArticle

Walking
Foot
Prostheses and Implants
Amputees
Extremities
4 Citations (Scopus)

Dynamic perception of dynamic affordances: walking on a ship at sea

Walter, H., Wagman, J. B., Stergiou, N., Erkmen, N. & Stoffregen, T. A., Feb 1 2017, In : Experimental Brain Research. 235, 2, p. 517-524 8 p.

Research output: Contribution to journalArticle

Ships
Oceans and Seas
Walking
Aptitude
2 Citations (Scopus)

Dynamics of stride interval characteristics during continuous stairmill climbing

Raffalt, P. C., Vallabhajosula, S., Renz, J. J., Mukherjee, M. & Stergiou, N., Aug 23 2017, In : Frontiers in Physiology. 8, AUG, 609.

Research output: Contribution to journalArticle

Walking
Entropy
Running
Young Adult
Healthy Volunteers
17 Citations (Scopus)

Early complexity supports development of motor behaviors in the first months of life

Dusing, S. C., Thacker, L. R., Stergiou, N. & Galloway, J. C., May 1 2013, In : Developmental Psychobiology. 55, 4, p. 404-414 11 p.

Research output: Contribution to journalArticle

Head
Pressure
4 Citations (Scopus)
Patellar Ligament
Anterior Cruciate Ligament Reconstruction
Autografts
Transplants
Bone and Bones
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
46 Citations (Scopus)

Effect of normalization and phase angle calculations on continuous relative phase

Kurz, M. J. & Stergiou, N., Feb 26 2002, In : Journal of Biomechanics. 35, 3, p. 369-374 6 p.

Research output: Contribution to journalArticle

Thigh
Biomechanical Phenomena
Aspect ratio
Leg
Exercise equipment