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首页> 美国政府科技报告 >Training and Extended Operation in Females: Effects on Reproductive Hormones, Bone Health, Task Specific Performance, and Comparative Energy Utilization
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Training and Extended Operation in Females: Effects on Reproductive Hormones, Bone Health, Task Specific Performance, and Comparative Energy Utilization

机译：女性的训练和扩展手术：对生殖激素，骨骼健康，任务特定表现和比较能源利用的影响

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The purpose of this project was to complete a series of investigations to provide a comprehensive study of the female in an arduous work environment and to determine the effects of an uncontrolled field situation (active Wildland firefighters engaged in wildfire suppression) and gender on total energy expenditure (doubly labeled water), energy balance, body composition, bone metabolism, and menstrual function. Two secondary purposes of this project were 1) to determine the effect of gender and the menstrual cycle on substrate utilization (glucose metabolism) during exercise; 2) to determine whether energy expenditure in the field could accurately be assessed using heart rate collection during simulated work tasks. Each study is discussed in the order in which they were initiated and completed. Cur results indicate gender specific differences in fuel metabolism, energy balance, body composition and bone metabolism during both simulated, controlled laboratory experiments and unsimulated research in the field during extreme occupational stress. These results suggest the need for further research regarding gender specific nutritional strategies as they relate to human performance and the maintenance of health during exposure to arduous and hostile field conditions. In addition, our results indicate that regardless of internal validity issues, it is imperative to continually conduct unsimulated research in the field using methodologies normally constrained to the laboratory environment.

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