| Body dimensions, exercise capacity and physical activity level of adolescent Nandi boys in western Kenya. | |
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MedLine Citation:
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PMID: 15204359 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to characterize untrained Nandi boys (mean age 16.6 years) from a town (n = 11) and from a rural area (n = 19) in western Kenya (altitude approximately 2000 m.a.s.l.) in regard to their body dimensions, oxygen uptake and physical activity level. The town boys had a mean maximal oxygen uptake (VO(2 max)) of 50 (range: 45-60) mL kg(-1) min(-1), whereas the village boys reached a value of 55 (37-63) mL kg(-1) min(-1) ( p<0.01) in VO(2 max). The running economy, determined as the oxygen cost at a given running speed, was 221 mL kg(-1) km(-1) (597 mL kg(-0.75) km(-1)) for town as well as for village boys. The body mass index (BMI) was very low for town as well as for village boys (18.6 vs 18.4 kg m(-2)). The daily mean time spent working in the field during secondary school and doing sports were significantly higher in village boys compared to town boys (working in the field: 44.2 (0-128) vs 1.3 (0-11) min, p<0.01; sports: 32.0 (11-72) vs 12.8 (0-35) min, p<0.01, respectively). A positive correlation between the daily time spent doing sports and VO(2 max) was found when pooling the data from the town and the village boys (R = 0.55, p<0.01). It is concluded that the body dimensions of adolescent Nandi town and village boys corresponds well with findings in Kenyan elite runners. They are very slender with relatively long legs. In addition, the VO(2 max) of the village boys was higher than that of the town boys, which is probably due to a higher physical activity level of the village boys during secondary school. |
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Authors:
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H B Larsen; D L Christensen; T Nolan; H Søndergaard |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Annals of human biology Volume: 31 ISSN: 0301-4460 ISO Abbreviation: Ann. Hum. Biol. Publication Date: 2004 Mar-Apr |
Date Detail:
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Created Date: 2004-06-18 Completed Date: 2004-10-21 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0404024 Medline TA: Ann Hum Biol Country: England |
Other Details:
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Languages: eng Pagination: 159-73 Citation Subset: IM |
Affiliation:
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The Copenhagen Muscle Research Centre, Rigshospitalet and University of Copenhagen, Denmark. hboegh@cmrc.dk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Body Constitution / physiology* Body Mass Index Exercise Tolerance / physiology* Heart Rate / physiology Humans Kenya Male Motor Activity / physiology* Oxygen Consumption / physiology Running / physiology Rural Population |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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