Parkinson’s disease (PD) is a common, debilitating neurodegenerative disease. Gait disturbances are a frequent cause of disability and impairment for patients with PD. This article provides a brief introduction to PD and describes the gait changes typically seen in patients with this disease. A major focus of this report is an update on the study of the fractal properties of gait in PD, the relationship between this feature of gait and stride length and gait variability, and the effects of different experimental conditions on these three gait properties. Implications of these findings are also briefly described. This update highlights the idea that while stride length, gait variability, and fractal scaling of gait are all impaired in PD, distinct mechanisms likely contribute to and are responsible for the regulation of these disparate gait properties.
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June 2009
Research Article|
June 29 2009
Gait dynamics in Parkinson’s disease: Common and distinct behavior among stride length, gait variability, and fractal-like scaling
Jeffrey M. Hausdorff
Jeffrey M. Hausdorff
a)
Movement Disorders Unit, Department of Neurology,
Tel Aviv Sourasky Medical Center
, Tel-Aviv 64239, Israel
; Department of Physical Therapy, Sackler Faculty of Medicine
, Tel-Aviv 69978, Israel
; and Harvard Medical School
, Boston, Massachusetts 02115, USA
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a)
Present address: Laboratory for Gait and Neurodynamics, Movement Disorders Unit, Tel-Aviv Sourasky Medical Center, 6 Weizman Street, Tel-Aviv 64239, Israel. Electronic mail: jhausdor@bidmc.harvard.edu. FAX: +972-3-697-4911.
Chaos 19, 026113 (2009)
Article history
Received:
March 17 2009
Accepted:
May 11 2009
Citation
Jeffrey M. Hausdorff; Gait dynamics in Parkinson’s disease: Common and distinct behavior among stride length, gait variability, and fractal-like scaling. Chaos 1 June 2009; 19 (2): 026113. https://doi.org/10.1063/1.3147408
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