| Physiological responses and bowling performance during repeated spells of medium-fast bowling. | |
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MedLine Citation:
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PMID: 18979337 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of the present study was to investigate the relationship between physiological and performance responses during repeated 6-over fast-bowling spells. Six, first-class, medium-fast bowlers performed 2x6-over spells separated by 45 min of light activity. The 6-over spells were based on the Cricket Australia fast bowling skills test that is a set order of deliveries at a grid-based target. Ball speed, accuracy and full and final 5-m run-up speed were measured on each ball. Nude mass, heart rate, core temperature, capillary blood lactate, pH and glucose, perceptual measures of RPE and muscle soreness (MS) and repeated vertical jump efforts were measured prior to, during and following each spell. Results indicated no decrement (P=0.41) and small effect sizes (d<0.2) in bowling speed (125.7+/-5.1 and 125.4+/-4.5 km.h(-1)) or accuracy (40.4+/-16.1 and 41.6+/-18.0 AU) between spells 1 and 2. No differences (P=0.6-0.8) were present between spells for heart rate, core temperature, lactate, pH, glucose, RPE, MS or vertical jump. Only final 5-m run-up speed showed a large correlation with ball speed (r=0.70), while accuracy and speed were not correlated (r=0.05). In conclusion, repeated 6-over spells in well-trained bowlers results in minimal performance decrement in mild conditions (22 degrees C). As faster bowlers had faster final 5-m run-up speeds, the maintenance of high final 5-m run-up speeds might be important to maintaining bowling speed. Future research should also include a third bowling spell and warmer environmental conditions. |
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Authors:
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Rob Duffield; Mitchell Carney; Stuart Karppinen |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of sports sciences Volume: 27 ISSN: 0264-0414 ISO Abbreviation: J Sports Sci Publication Date: 2009 Jan |
Date Detail:
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Created Date: 2008-12-26 Completed Date: 2009-03-25 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8405364 Medline TA: J Sports Sci Country: England |
Other Details:
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Languages: eng Pagination: 27-35 Citation Subset: IM |
Affiliation:
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Charles Sturt University, School of Human Movement, Bathurst, Australia. rduffield@csu.edu.au |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Athletic Performance* Australia Biophysics Blood Glucose / metabolism Body Temperature / physiology Body Weight / physiology Heart Rate / physiology Humans Hydrogen-Ion Concentration Lactic Acid / blood Male Muscle, Skeletal Pain Physical Exertion / physiology Sports / physiology*, psychology Young Adult |
| Chemical | |
Reg. No./Substance:
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0/Blood Glucose; 50-21-5/Lactic Acid |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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