| Changes in power assessed by the Wingate Anaerobic Test following downhill running. | |
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MedLine Citation:
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PMID: 17313255 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Few studies have examined the effects of eccentric exercise-induced muscle damage on power despite power being a key performance variable in a number of sporting events. The aim of this study was to examine changes in anaerobic power (30-second Wingate Test), isometric strength of the knee extensors and flexors, muscle soreness, and plasma creatine kinase (CK) activity following downhill running. Eight men performed a 40-minute downhill (-7%) run on a treadmill, and measurements were taken on 6 occasions (2 baseline and 0.5, 24, 72, and 120 hours postrun). A second group of men (n = 5) had the measurements taken on 6 occasions without downhill running and served as a control group. A repeated measures analysis of variance revealed no significant changes in any measures across time for the control group. Following downhill running, significant (p < 0.05) decreases in strength (0.5-24 hours), and significant increases in muscle soreness (0.5-72 hours) and plasma CK activity (0.5-120 hours) were observed. A significant decrease in peak and average power (approximately 5%) was evident only 0.5 hours postrun, and the decrease was smaller in magnitude than that of strength (approximately 15%). These results suggest that power is less affected than strength after eccentric exercise, and the effect of reduced power on sport performance seems negligible. |
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Authors:
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Carmel Nottle; Kazunori Nosaka |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: 21 ISSN: 1064-8011 ISO Abbreviation: J Strength Cond Res Publication Date: 2007 Feb |
Date Detail:
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Created Date: 2007-02-22 Completed Date: 2007-04-26 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: United States |
Other Details:
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Languages: eng Pagination: 145-50 Citation Subset: IM; S |
Affiliation:
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School of Exercise, Biomedical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia. c.nottle@ecu.edu.au |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Anaerobic Threshold Analysis of Variance Biomechanics Creatine Kinase / blood Humans Male Muscle, Skeletal / injuries, physiopathology* Running / physiology* |
| Chemical | |
Reg. No./Substance:
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EC 2.7.3.2/Creatine Kinase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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