Beauchet O, Allali G, Annweiler C, Bridenbaugh S, Assal F, Kressig RW, Herrmann FR (2009) Gait variability among healthy adults: low and high stride-to-stride variability are both a reflection of gait stability. Gerontology 55(6):702–706. https://doi.org/10.1159/000235905
Buzzi UH, Stergiou N, Kurz MJ, Hageman PA, Heidel J (2003) Nonlinear dynamics indicates aging affects variability during gait. Clin Biomech 18(5):435–443. https://doi.org/10.1016/S0268-0033(03)00029-9
Chalitsios C, Nikodelis T, Mougios V (2024) Mechanical deviations in stride characteristics during running in the severe intensity domain are associated with a decline in muscle oxygenation. Scand J Med Sci Sports 34(8):e14709. https://doi.org/10.1111/sms.14709
Damouras S, Chang MD, Sejdić E, Chau T (2010) An empirical examination of detrended fluctuation analysis for gait data. Gait Posture 31(3):336–340. https://doi.org/10.1016/j.gaitpost.2009.12.002
Dewolf AH, Mesquita RM, Willems PA (2020) Intra-limb and muscular coordination during walking on slopes. Eur J Appl Physiol 120(8):1841–1854. https://doi.org/10.1007/s00421-020-04415-4
Diedrich FJ, Warren WH Jr (1998) The Dynamics of gait transitions: effects of grade and load. J Mot Behav 30(1):60–78. https://doi.org/10.1080/00222899809601323
Article CAS PubMed Google Scholar
Dierick F, Vandevoorde C, Chantraine F, White O, Buisseret F (2021) Benefits of nonlinear analysis indices of walking stride interval in the evaluation of neurodegenerative diseases. Hum Mov Sci 75:102741. https://doi.org/10.1016/j.humov.2020.102741
Dotov DG, Bayard S, Cochen De Cock V, Geny C, Driss V, Garrigue G, Bardy B, Dalla Bella S (2017) Biologically-variable rhythmic auditory cues are superior to isochronous cues in fostering natural gait variability in Parkinson’s disease. Gait Posture 51:64–69. https://doi.org/10.1016/j.gaitpost.2016.09.020
Article CAS PubMed Google Scholar
Franz JR, Kram R (2012) The effects of grade and speed on leg muscle activations during walking. Gait Posture 35(1):143–147. https://doi.org/10.1016/j.gaitpost.2011.08.025
Gabell A, Nayak USL (1984) The effect of age on variability in gait. J Gerontol 39(6):662–666. https://doi.org/10.1093/geronj/39.6.662
Article CAS PubMed Google Scholar
Gottschall JS, Kram R (2006) Mechanical energy fluctuations during hill walking: the effects of slope on inverted pendulum exchange. J Exp Biol 209(24):4895–4900. https://doi.org/10.1242/jeb.02584
Harbourne RT, Stergiou N (2009) Movement variability and the use of nonlinear tools: principles to guide physical therapist practice. Phys Ther 89(3):267–282. https://doi.org/10.2522/ptj.20080130
Article PubMed PubMed Central Google Scholar
Hausdorff JM (2007) Gait dynamics, fractals and falls: Finding meaning in the stride-to-stride fluctuations of human walking. Hum Mov Sci 26(4):555–589. https://doi.org/10.1016/j.humov.2007.05.003
Article PubMed PubMed Central Google Scholar
Hausdorff JM (2009) Gait dynamics in Parkinson’s disease: Common and distinct behavior among stride length, gait variability, and fractal-like scaling. Chaos 19(2):026113. https://doi.org/10.1063/1.3147408
Article PubMed PubMed Central Google Scholar
Hausdorff JM, Mitchell SL, Firtion R, Peng CK, Cudkowicz ME, Wei JY, Goldberger AL (1997) Altered fractal dynamics of gait: Reduced stride-interval correlations with aging and Huntington’s disease. J Appl Physiol 82(1):262–269. https://doi.org/10.1152/jappl.1997.82.1.262
Article CAS PubMed Google Scholar
Hong S-W, Wang T-M, Lu T-W, Li J-D, Leu T-H, Ho W-P (2014) Redistribution of intra- and inter-limb support moments during downhill walking on different slopes. J Biomech 47(3):709–715. https://doi.org/10.1016/j.jbiomech.2013.11.028
Huang C-K, Chien J-H, Siu K-C (2017) The reduced lighting environment impacts gait characteristics during walking. Int J Ind Ergon 61:126–130. https://doi.org/10.1016/j.ergon.2017.05.005
Hunter LC, Hendrix EC, Dean JC (2010) The cost of walking downhill: Is the preferred gait energetically optimal? J Biomech 43(10):1910–1915. https://doi.org/10.1016/j.jbiomech.2010.03.030
Article CAS PubMed Google Scholar
Ihlen EAF, Vereijken B (2010) Interaction-dominant dynamics in human cognition: Beyond 1/f(alpha) fluctuation. J Exp Psychol Gen 139(3):436–463. https://doi.org/10.1037/a0019098
Janshen L, Santuz A, Ekizos A, Arampatzis A (2017) Modular control during incline and level walking in humans. J Exp Biol 220(5):807–813. https://doi.org/10.1242/jeb.148957
Jeffers JR, Auyang AG, Grabowski AM (2015) The correlation between metabolic and individual leg mechanical power during walking at different slopes and velocities. J Biomech 48(11):2919–2924. https://doi.org/10.1016/j.jbiomech.2015.04.023
Article PubMed PubMed Central Google Scholar
Jessup LN, Kelly LA, Cresswell AG, Lichtwark GA (2023) It is not just the work you do, but how you do it: the metabolic cost of walking uphill and downhill with varying grades. J Appl Physiol 135(6):1263–1267. https://doi.org/10.1152/japplphysiol.00349.2023
Jones B, Heller B, van Gelder L, Barnes A, Reeves J, Wheat J (2024) Running gait complexity during an overground mass-participation five-kilometre run. Sensors. https://doi.org/10.3390/s24227252
Article PubMed PubMed Central Google Scholar
Kent JA, Sommerfeld JH, Stergiou N (2019) Changes in human walking dynamics induced by uneven terrain are reduced with ongoing exposure, but a higher variability persists. Sci Rep 9(1):17664. https://doi.org/10.1038/s41598-019-54050-z
Article CAS PubMed PubMed Central Google Scholar
Kesler A, Leibovich G, Herman T, Gruendlinger L, Giladi N, Hausdorff JM (2005) Shedding light on walking in the dark: The effects of reduced lighting on the gait of older adults with a higher-level gait disorder and controls. J Neuroeng Rehabil 2:27. https://doi.org/10.1186/1743-0003-2-27
Article PubMed PubMed Central Google Scholar
Kuznetsov NA, Rhea CK (2017) Power considerations for the application of detrended fluctuation analysis in gait variability studies. PLoS ONE 12(3):e0174144. https://doi.org/10.1371/journal.pone.0174144
Article CAS PubMed PubMed Central Google Scholar
Lipsitz LA (2002) Dynamics of Stability: the physiologic basis of functional health and frailty. J Gerontol A Biol Sci Med Sci 57(3):B115–B125. https://doi.org/10.1093/gerona/57.3.B115
Marmelat V, Meidinger RL (2019) Fractal analysis of gait in people with Parkinson’s disease: three minutes is not enough. Gait Posture 70:229–234. https://doi.org/10.1016/j.gaitpost.2019.02.023
Article PubMed PubMed Central Google Scholar
McGowan CP, Neptune RR, Clark DJ, Kautz SA (2009) Modular control of human walking: adaptations to altered mechanical demands. J Biomech 43(3):412. https://doi.org/10.1016/j.jbiomech.2009.10.009
Article PubMed PubMed Central Google Scholar
Minetti AE, Ardigò LP, Saibene F (1993) Mechanical determinants of gradient walking energetics in man. J Physiol 472(1):725–735. https://doi.org/10.1113/jphysiol.1993.sp019969
Comments (0)