| Energy cost of front-crawl swimming in women. | |
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MedLine Citation:
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PMID: 1915325 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of this study was to examine the relationship between the energy cost of swimming per unit distance (Cs) at different velocities (v) and performance level, body size and swimming technique in women. A total of 58 females swimmers were studied. Three performance levels (A, B, C) were determined, ranging from the slower (A) to the faster (B, C). At level C and at 1.1 m.s-1, Cs,1.1 was reduced by 7% when directly compared to level B. The Cs,1.1 was reduced by 10% when calculated per unit of height (h) and by 37% when calculated per unit of h and hydrostatic lift (HL). For the whole group of swimmers, the equation regression was Cs,1.1 = 0.27 h-2.38 HL - 7.5 (r = 0.53, P less than 0.01). To evaluate the specific influence of arm length two groups of long- and short-armed swimmers were selected among swimmers of similar h and performance. The Cs was significantly higher (P less than 0.05) by 12%, SD 2.2%, for short-armed than for long-armed swimmers. To evaluate the influence of different types of swimming technique, two other groups of similar performance and anthropometric characteristics were selected. The Cs was significantly higher (P less than 0.05) by 12%, SD 4.5% for swimmers using for preference their legs rather than their arms. The Cs of the sprinters was 15.7%, SD 2% higher than that of the long-distance swimmers. For all groups, Cs increased with v on average by 8% to 11% every 0.1 m.s-1. These findings showed that Cs variations of these women were close to those previously demonstrated for men. The Cs depends on performance level, body size, buoyancy, swimming technique and v. |
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Authors:
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J C Chatard; J M Lavoie; J R Lacour |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: European journal of applied physiology and occupational physiology Volume: 63 ISSN: 0301-5548 ISO Abbreviation: Eur J Appl Physiol Occup Physiol Publication Date: 1991 |
Date Detail:
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Created Date: 1991-11-21 Completed Date: 1991-11-21 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0410266 Medline TA: Eur J Appl Physiol Occup Physiol Country: GERMANY |
Other Details:
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Languages: eng Pagination: 12-6 Citation Subset: IM |
Affiliation:
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Laboratoire de Physiologie, Faculté de Médecine de Saint-Etienne, C.H.R.U. de Saint-Etienne, France. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Anthropometry Body Constitution* Energy Metabolism* Exercise / physiology* Female Humans Regression Analysis Swimming* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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