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Abnormal Leg Muscle Latencies and Relationship to Dyscoordination and Walking Disability after Stroke
Joint Authors
Roenigk, Kristen
Cheng, Roger
Daly, Janis J.
Ruff, Robert L.
Source
Rehabilitation Research and Practice
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-12-29
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
The purpose was to determine timing characteristics of leg muscle latencies for patients following stroke (>12 months) who had persistent coordination and gait deficits, and to determine the relationships among abnormal latencies, dyscoordination, and gait deficits.
We compared nine healthy controls and 27 stroke survivors.
Surface electromyography measured activation and deactivation latencies of knee flexor and extensor muscles during a ballistic knee flexion task, consistency of latencies across repetitions, and close coupling between agonist and antagonist muscle latencies.
We measured Fugl-Meyer (FM) coordination and the functional gait measure, six minute walk test (6MWT).
For stroke subjects, there were significant delays of muscle activation and deactivation, abnormal inconsistency, and abnormal decoupled agonist and antagonist activations.
There was good correlation between activation latencies and FM and 6MWT.
Results suggest abnormal timing characteristics underlie coordination impairment and dysfunctional gait.
These abnormal muscle activation and deactivation timing characteristics are important targets for rehabilitation.
American Psychological Association (APA)
Daly, Janis J.& Roenigk, Kristen& Cheng, Roger& Ruff, Robert L.. 2010. Abnormal Leg Muscle Latencies and Relationship to Dyscoordination and Walking Disability after Stroke. Rehabilitation Research and Practice،Vol. 2011, no. 2011, pp.1-8.
https://search.emarefa.net/detail/BIM-462682
Modern Language Association (MLA)
Daly, Janis J.…[et al.]. Abnormal Leg Muscle Latencies and Relationship to Dyscoordination and Walking Disability after Stroke. Rehabilitation Research and Practice No. 2011 (2011), pp.1-8.
https://search.emarefa.net/detail/BIM-462682
American Medical Association (AMA)
Daly, Janis J.& Roenigk, Kristen& Cheng, Roger& Ruff, Robert L.. Abnormal Leg Muscle Latencies and Relationship to Dyscoordination and Walking Disability after Stroke. Rehabilitation Research and Practice. 2010. Vol. 2011, no. 2011, pp.1-8.
https://search.emarefa.net/detail/BIM-462682
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-462682