A pilot study to investigate explosive leg extensor power and walking performance after stroke

Dawes, H., Smith, C., Collett, J., Howells, K., Ramsbottom, R., Wade, D., Izadi, H. and Sackley, C. (2005) A pilot study to investigate explosive leg extensor power and walking performance after stroke. Journal of Sports Science and Medicine, 4 (4). pp. 556-562. ISSN 1303-2968

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We examined explosive leg extensor power (LEP) and gait in men and women after a stroke using an experimental observational design. A convenience sample of consecutively referred individuals (8 men, 6 women) with chronic stroke mean age ± SD, range, 46.4 ± 8.4, 32 - 57 years, and able to walk for four minutes were recruited. The test re-test reliability and performance of LEP was measured together with walking parameters. LEP (Watts·kg ) and gait measures during a four-minute walk; temporal-spatial gait parameters (GAITRite ® ) and oxygen cost of walking (mL·kg ·m-1) were recorded. Percentage Asymmetry LEP (stronger LEP - weaker LEP/stronger LEP x 100) was calculated for each person. LEP was reliable from test to re-test ICC [3, 1] 0.8 - 0.7 (n = 9). Greater Asymmetry LEP correlated strongly with reduced walking velocity, cadence, stance time, and swing time on the weaker leg (n = 14) (p <0.01). Findings demonstrate explosive LEP, in particular Percentage Asymmetry LEP, can be measured after stroke and is both reliable and related to walking performance. LEP training of the stronger or weaker leg warrants further investigation in this group.

Item Type: Article
Faculty \ School: Faculty of Arts and Humanities > School of Literature, Drama and Creative Writing
Faculty of Medicine and Health Sciences > School of Health Sciences
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Depositing User: Pure Connector
Date Deposited: 16 Oct 2013 00:44
Last Modified: 24 Oct 2022 04:47
URI: https://ueaeprints.uea.ac.uk/id/eprint/43733

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