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The Effects of Load Carriage Position on Stride Frequency and Metabolic Cost

机译：载运位置对步幅和代谢成本的影响

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摘要

During military service, soldiers are expected to carry heavy loads over a variety of distances and terrains, with additional weight ranging from fifty to one hundred pounds. PURPOSE: To determine the effects of load carriage position on metabolic cost and stride frequency in recreationally fit females. METHODS: Subjects included nine recreationally fit female volunteers. Participants completed a total of five sessions; a pre-assessment, familiarization session, and three exercise sessions. A Modified Balke treadmill test was performed in three different loaded conditions; unloaded, with a 70lb rucksack and with a 70lb weighted vest. RESULTS: Significant changes between loaded and unloaded conditions were seen. The loaded conditions negatively impacted metabolic cost, specifically with the loaded rucksack (p=.01). While the loaded conditions resulted in no significant differences on stride frequency. CONCLUSION: This study offers insight into how external load carriage position among the military alters performance among the female population.
机译：在服兵役期间，预计士兵将在各种距离和地形上搬运重物，额外重量从五十到一百磅不等。目的：确定负重运输位置对休闲健美女性的代谢成本和步幅的影响。方法：受试者包括九名休闲娱乐的女性志愿者。参加者共完成了五届会议；一次预评估，熟悉课程和三个练习课程。在三种不同的负载条件下进行了改良的Balke跑步机测试；空载，带有70磅的背包和70磅的加重背心。结果：在加载和卸载条件之间观察到显着变化。满载条件不利地影响了代谢成本，尤其是背囊（p = .01）。虽然加载条件导致步幅频率无明显差异。结论：这项研究提供了关于军队中外部负载运输位置如何改变女性人口表现的见解。

著录项

  • 作者

    Pressl, Ruby Rae.;

  • 作者单位

    Indiana University of Pennsylvania.;

  • 授予单位 Indiana University of Pennsylvania.;
  • 学科 Kinesiology.
  • 学位 M.S.
  • 年度 2018
  • 页码 57 p.
  • 总页数 57
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 宗教;
  • 关键词

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