Two simple methods for determining gait events during treadmill and overground walking using kinematic data.

Two simple methods for determining gait events during treadmill and overground walking using kinematic data. Research Abstract Details 

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Two simple methods for determining gait events during treadmill and overground walking using kinematic data. Abstract Text:

The determination of gait events such as heel strike and toe-off provide the basis for defining stance and swing phases of gait cycles. Two algorithms for determining event times for treadmill and overground walking based solely on kinematic data are presented. Kinematic data from treadmill walking trials lasting 20-45s were collected from three subject populations (healthy young, n=7; multiple sclerosis, n=7; stroke, n=4). Overground walking trials consisted of approximately eight successful passes over two force plates for a healthy subject population (n=5). Time of heel strike and toe-off were determined using the two new computational techniques and compared to events detected using vertical ground reaction force (GRF) as a gold standard. The two algorithms determined 94% of the treadmill events from healthy subjects within one frame (0.0167s) of the GRF events. In the impaired populations, 89% of treadmill events were within two frames (0.0334s) of the GRF events. For overground trials, 98% of events were within two frames. Automatic event detection from the two kinematic-based algorithms will aid researchers by accurately determining gait events during the analysis of treadmill and overground walking.

Two simple methods for determining gait events during treadmill and overground walking using kinematic data. Publishing Authors By Initials

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Two simple methods for determining gait events during treadmill and overground walking using kinematic data. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Gait & posture

VOLUME: 27

Page Numbers: 710-4

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ISSN: 0966-6362

DAY: 27

MONTH: 08

YEAR: 2007

Two simple methods for determining gait events during treadmill and overground walking using kinematic data. Information

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LANGUAGE: eng

NlmUniqueID: 9416830

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Grant and Affiliation Information for Two simple methods for determining gait events during treadmill and overground walking using kinematic data.

AFFILIATION: Biomechanics and Movement Science Program, University of Delaware, Newark, DE, United States.

Country: Netherlands

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MEDLINETA: Gait Posture

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