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| ERIC #: | EJ726709 |
| Title: | Heat Production and Storage Are Positively Correlated with Measures of Body Size/Composition and Heart Rate Drift during Vigorous Running |
| Authors: | Buresh, Robert; Berg, Kris; Noble, John |
| Descriptors: | Metabolism; Physiology; Physical Activities; Heat; Body Composition; Physical Activity Level; Males; Correlation; Measures (Individuals) |
| Source: | Research Quarterly for Exercise and Sport, v76 n3 p267-274 Sep 2005 |
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| Publisher: | American Alliance for Health, Physical Education, Recreation & Dance, 1900 Association Dr., Reston, VA 20191-1598. Web site: http://www.aahperd.org. |
| Publication Date: | 2005-09-00 |
| Pages: | 8 |
| Pub Types: | Journal Articles; Reports - Research |
| Abstract: | The purposes of this study were to determine the relationships between: (a) measures of body size/composition and heat production/storage, and (b) heat production/storage and heart rate (HR) drift during running at 95 % of the velocity that elicited lactate threshold, which was determined for 20 healthy recreational male runners. Subsequently, changes in skin and tympanic temperatures associated with a vigorous 20-min run, HR, and V[O.sub.2] data were recorded. It was found that heat production was significantly correlated with body mass (r = .687), lean mass (r =. 749), and body surface area (BSA, r = .699). Heat storage was significantly correlated with body mass (r = .519), fat mass (r = .464), and BSA (r = .498). The percentage of produced heat stored was significantly correlated with body mass (r = .427), fat mass (r = .455), and BSA (r = .414). Regression analysis showed that the sum of body mass, percentage of body fat, BSA, lean mass, and fat mass accounted for 30% of the variability in heat storage. It was also found that HR drift was significantly correlated with heat storage (r = .383), percentage of produced heat stored (r =. 433), and core temperature change (r =. 450). It was concluded that heavier runners experienced greater heat production, heat storage, and core temperature increases than lighter runners during vigorous running. (Contains 1 author note.) |
| Abstractor: | ERIC |
| Reference Count: | 22 |
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| Note: | N/A |
| Identifiers: | N/A |
| Record Type: | Journal |
| Level: | N/A |
| Institutions: | N/A |
| Sponsors: | N/A |
| ISBN: | N/A |
| ISSN: | ISSN-0270-1367 |
| Audiences: | N/A |
| Languages: | English |
| Education Level: | N/A |
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