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Medical Engineering & Physics
Volume 31, Issue 7
, Pages 784-792
, September 2009
Variability analysis of lower extremity joint kinematics during walking in healthy young adults
References
- . Gait analysis theory and application. Mosby-Year Book Inc.; 1995;p. 12–38
- . The development of mature walking. London: Mac Keith Press; 1988;p. 20–35
- . Gait analysis: normal and pathological function. SLACK Inc.; 1992;p. 15–21
- . Gait analysis of spinal cord injured subjects: effects of injury level and spasticity. Arch Phys Med Rehab. 1996;77:635–638
- . Gait analysis of adult patients with complete congenital dislocation of the hip. J Formos Med Assoc. 1997;96:740–744
- . Functional outcome of patients with rotationplasty about the knee. Clin Orthop Relat R. 2003;52–58
- Altered fractal dynamics of gait: reduced stride-interval correlations with aging and huntington's disease. J Appl Physiol. 1997;82:262–269
- . Walking patterns of normal men. J Bone Joint Surg Am Vol. 1964;46:335–360
- . The effect of anterior cruciate ligament recontruction on lower extremity relative phase dynamics during walking and running. Knee Surg Sport Tr A. 2005;13:107–115
- . Effect of age on characteristics of forward and backward gait at preferred and accelerated walking speed. J Gerontol a-Biol. 2005;60:627–632
- . Age-related differences in walking stability. Age Ageing. 2003;32:137–142
- . A comparison of gait characteristics in young and old subjects. Phys Ther. 1994;74:637–644
- . Stride parameters in healthy young and old women—measurement variability on a simple walkway. Exp Aging Res. 2000;26:159–168
- . The aging human neuromuscular system expresses less certainty for selecting joint kinematics during gait. Neurosci Lett. 2003;348:155–158
- Relationships between dual-task related changes in stride velocity and stride time variability in healthy older adults. Hum Mov Sci. 2006;25:372–382
- . Describing gait as a sequence of states. J Biomech. 2006;39:948–957
- . Stride-to-stride variability of knee motion in patients with knee osteoarthritis. Gait Posture. 2006;23:505–511
- . Dynamic stability of gait cycles as a function of speed and system constraints. Motor Control. 2004;8:241–254
- . Dimensional constraints on limb movements. Hum Movement Sci. 2000;19:175–201
- . A novel approach to measure variability in the anterior cruciate ligament deficient knee during walking: the use of the approximate entropy in orthopaedics. J Clin Monit Comput. 2006;20:11–18
- . Gait study on the normal and acl deficient patients after ligament reconstruction surgery using chaos analysis method. Trans KSME (A). 2006;30:435–441
- . The dynamics of human gait. Eur J Phys. 2005;26:525–534
- . The effect of the walking speed on the stability of the anterior cruciate ligament deficient knee. Clin Biomech. 2004;19:957–963
- . Slower speeds in patients with diabetic neuropathy lead to improved local dynamic stability of continuous overground walking. J Biomech. 2000;33:1269–1277
- . Nonlinear time series analysis of normal and pathological human walking. Chaos. 2000;10:848–863
- . Kinematic variability and local dynamic stability of upper body motions when walking at different speeds. J Biomech. 2006;39:444–452
- . Increased variability of continuous overground walking in neuropathic patients is only indirectly related to sensory loss. Gait Posture. 2001;14:1–10
- . Optimal movement variability: a new theoretical perspective for neurologic physical therapy. J Neurol Phys Ther. 2006;30:120–129
- . Nonlinear dynamics indicates aging affects variability during gait. Clin Biomech. 2003;18:435–443
- . Fractal dynamics in physiology: alterations with disease and aging. Proc Natl Acad Sci USA. 2002;99(Suppl. 1):2466–2472
- . When human walking becomes random walking: fractal analysis and modeling of gait rhythm fluctuations. Physica A. 2001;302:138–147
- . Long-range anticorrelations and non-gaussian behavior of the heartbeat. Phys Rev Lett. 1993;70:1343–1346
- Postictal heart rate oscillations in partial epilepsy. Neurology. 1999;53:1590–1592
- . A study of lower-limb mechanics during stair-climbing. J Bone Joint Surg Am. 1980;62:749–757
- . The frank stinchfield award paper. Internal rotation gait in spastic cerebral palsy. Hip. 1982;89–125
- . A guide to dynamical analysis. Integr Physiol Behav Sci. 1994;29:311–327
- . Determining lyapunov exponents from a time-series. Physica D. 1985;16:285–317
- . Independent coordinates for strange attractors from mutual information. Phys Rev A. 1986;33:1134–1140
- . Detecting strange attractors in turbulence. Lecture Notes Math. 1981;898:366–381
- . Determining embedding dimension for phase-space reconstruction using a geometrical construction. Phys Rev A. 1992;45:3403–3411
- . Surrogate time series. Phys D-Nonlinear Phenomena. 2000;142:346–382
- . Practical implementation of nonlinear time series methods: the tisean package. Chaos. 1999;9:413–435
- . A practical method for calculating largest lyapunov exponents from small data sets. Phys D: Nonlinear Phenomena. 1993;65:117–134
- . Practical methods of measuring the generalized dimension and the largest lyapunov exponent in high dimensional chaotic systems. Prog Theor Phys. 1987;77:1–5
- . Testing for nonlinearity in time series: the method of surrogate data. Phys D: Nonlinear Phenomena. 1992;58:77–94
- . Nonlinear time series analysis. 2nd ed.. Cambridge (UK): Cambridge University Press; 2004;
- . Pathological tremors: deterministic chaos or nonlinear stochastic oscillators?. Chaos. 2000;10:278–288
- . On the functional aspects of variability in postural control. Exer Sport Sci Rev. 2002;30:177–183
- . Balance adjustments of humans perturbed while walking. J Neurophysiol. 1980;44:650–664
- . Walking speed influences on gait cycle variability. Gait Posture. 2007;26:128–134
- . Surrogate test to distinguish between chaotic and pseudoperiodic time series. Phys Rev E Stat Nonlin Soft Matter Phys. 2005;71:026230
- . Evaluating noise sensitivity on the time series determination of lyapunov exponents applied to the nonlinear pendulum. Shock Vib. 2003;10:37–50
PII: S1350-4533(09)00071-X
doi: 10.1016/j.medengphy.2009.02.009
© 2009 IPEM. Published by Elsevier Inc. All rights reserved.
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Medical Engineering & Physics
Volume 31, Issue 7
, Pages 784-792
, September 2009
