| A Protocol of Intermittent Exercise (Shuttle Runs) to Train Young Basketball Players. | |
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MedLine Citation:
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PMID: 21358430 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Zadro, I, Sepulcri, L, Lazzer, S, Fregolent, R, and Zamparo, P. A protocol of intermittent exercise (shuttle runs) to train young basketball players. J Strength Cond Res 25(X): 000-000, 2011-The purpose of this study was to set up a protocol of intermittent exercise to train young basketball players. Twenty-one players were asked to complete (a) an incremental test to determine maximal oxygen uptake (&OV0312;O2max), the speed at the ventilatory threshold (vthr) and the energy cost of "linear" running (Cr) and (b) an intermittent test composed of 10 shuttle runs of 10-second duration and 30-seconds of recovery (total duration: about 6 minutes). The exercise intensity (the running speed, vi) was set at 130% of vthr. During the intermittent tests, oxygen uptake (&OV0312;O2) and blood lactate concentration (Lab) were measured. The average pretraining &OV0312;O2 calculated for a single bout (131 ± 9 ml·min kg) was about 2.4 times greater than the subjects' measured &OV0312;O2max (54.7 ± 4.6 ml·min·kg). The net energy cost of running (9.2 ± 0.9 J·m·kg) was about 2.4 times higher than that measured at constant "linear" speed (3.9 ± 0.3 J·m·kg). The intermittent test was repeated after 7 weeks of training: 9 subjects (control group [CG]) maintained their traditional training schedule, whereas for 12 subjects (experimental group [EG]) part of the training was replaced by intermittent exercise (the same shuttle test as described above). After training, the &OV0312;O2 measured during the intermittent test was significantly reduced (p < 0.05) in both groups (-10.9% in EG and - 4.6 in CG %), whereas Lab decreased significantly only for EG (-31.5%). These data suggest that this training protocol is effective in reducing lactate accumulation in young basketball players. |
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Authors:
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Ivan Zadro; Luigino Sepulcri; Stefano Lazzer; Rudy Fregolent; Paola Zamparo |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-24 |
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 Feb |
Date Detail:
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Created Date: 2011-3-1 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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1Laboratory of Exercise Physiology, School of Sport Sciences, University of Udine, Udine, Italy; 2FIP, Federazione Italiana Pallacanestro, Rome, Italy; 3Department of Biomedical Sciences and Technologies, University of Udine, Udine, Italy; and 4Department of Neurological Sciences, Faculty of Exercise and Sport Sciences, University of Verona, Verona, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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