| Project/Area Number |
17200042
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied health science
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| Research Institution | National Institute of Health and Nutrition |
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Principal Investigator |
TANAKA Shigeho National Institute of Health and Nutrition, The National Institute of Health and Nutrition Health Promotion and Exercise Program Project for Energy Metabolism, Project Leader (50251426)
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| Co-Investigator(Kenkyū-buntansha) |
MIYACHI Motohiko Health Promotion and Exercise Program, Project for Exercise Guideline, Project Leader (60229870)
ISHIKAWA Kazuko (TAKATA, Kazuko) Health Promotion and Exercise Program, 健康増進プログラム, Senior researcher (80202951)
TABATA Izumi Health Promotion and Exercise Program, 健康増進プログラム, Program Leader (20188402)
FUTAMI Jun Higasi Nippon International University, Faculty of Economic Informatics, Associate Professor (60258829)
KATUKAWA Fuminori Keio University, Sports Medicine Research Center, Associate Professor (60194784)
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| Project Period (FY) |
2005 – 2007
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| Project Status |
Completed (Fiscal Year 2007)
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| Budget Amount *help |
¥36,400,000 (Direct Cost: ¥28,000,000、Indirect Cost: ¥8,400,000)
Fiscal Year 2007: ¥12,090,000 (Direct Cost: ¥9,300,000、Indirect Cost: ¥2,790,000)
Fiscal Year 2006: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2005: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
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| Keywords | Physical activity / Energy metabolism / Exercise / Sports nutrition / Health Promotion |
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| Research Abstract |
In order to clarify the effect of resistance training to fat oxidation and daily physical activity the following experiments were performed.
Study 1: Fat oxidation and daily physical activity in resistance-trained men In body builders and a power lifter, energy metabolism including 24-h fat oxidation and energy expenditure was evaluated using indirect human calorimeters, and total energy expenditure and physical activity level in free-living conditions by doubly labeled water method, and the results were compared with healthy controls. In the group of body builders and a power lifter, higher physical activity was observed. However; there was no significant difference in the other measurements including 24-h fat oxidation, after adjustment for body composition.
Study 2: Effect of resistance training to fat oxidation and physical activity Effect of resistance training for 12 weeks to fat oxidation and physical activity in university students was evaluated. 24-h fat oxidation and energy expenditure were evaluated using indirect human calorimeters, and total energy expenditure and physical activity level in free-living conditions by doubly labeled water method. No significant change was observed in most of the measurements, although total energy expenditure slightly increased in the intervention group.
These case-control and intervention studies revealed that fat oxidation may not significantly change by resistance training, while physical activity level was higher in resistance-trained athletes, probably due to their occupations.
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