| Power-Load Curve in Trained Sprinters: A Preliminary Study. | |
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MedLine Citation:
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PMID: 21993038 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Alcaraz, PE, Romero-Arenas, S, Vila, H, and Ferragut, C. Power-load curve in trained sprinters. A preliminary study. J Strength Cond Res 25(11): 3045-3050, 2011-The levels of lower-limb strength and power can distinguish between athletes of different levels in a number of sports, specifically in sprinting. In this sense, the purposes of this study were (a) to define the power-load curve in a modified half squat machine in trained sprinters in the competitive cycle and (b) to correlate the peak power (PP) production with 60-m sprint performance. In this sense, a cross-sectional study was carried out with 10 national level sprinters. After the calculation of 1 repetition maximum (1RM) of the participants, a progressive test, which consisted of moving loads of 30, 45, 60, 70, and 80% of the 1RM as quickly as possible in the concentric phase, was performed. It was found that PP occurred at 60% of 1RM. The power output with all loads was not significantly different (p ≤ 0.05) from each other. No significant correlations were found between 60-m performance and PP with the different loads. Therefore, we may conclude that the sprinters of national level analyzed present values of PP output, in the competitive period, near to 60% of 1RM in the half squat exercise; however, this power is not significantly different from the other loads. |
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Authors:
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Pedro E Alcaraz; Salvador Romero-Arenas; Helena Vila; Carmen Ferragut |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-11 |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: - ISSN: 1533-4287 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Kinesiology and Biomechanics Laboratory, Department of Physical Activity and Sport Sciences, San Antonio Catholic University of Murcia, Murcia, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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