The psychophysical and physiological responses of individuals with varying body fat percentages and physical fitness levels during one-handed carrying on an inclined surface

IF 2.5 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics Pub Date : 2024-08-21 DOI:10.1016/j.ergon.2024.103615

Duha Ali , Mark Schall , Sean Gallagher , Richard Sesek , Mashnur Rashid , L. Bruce Gladden

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引用次数: 0

Abstract

One-handed carrying is a demanding and understudied form of manual material handling (MMH). Existing studies have not adequately considered the roles of body fat and physical fitness on the psychophysical and physiological responses of individuals performing one-handed carrying. A laboratory treadmill study involving 16 male and 16 female participants was completed to characterize the physiological and psychophysical responses incurred by one-handed MMH on a flat and inclined surface. Participants walked at a speed of 3.2 km/h for a distance of 96.5 m over four experimental conditions: No-load and flat surface [NF], no-load and inclined surface [NI], load and flat surface [LF], load and inclined surface [LI]). The results indicated generally consistent main effects of body fat, physical fitness, load, and incline on psychophysical and physiological responses, highlighting the inadequacy of current MMH guidance in addressing the impact of body fat percentage and physical fitness on one-handed carrying task performance.

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不同体脂率和体能水平的人在斜面上单手搬运时的心理物理和生理反应

单手搬运是一种要求较高且研究不足的手动物料搬运（MMH）方式。现有研究尚未充分考虑体脂和体能对单手搬运者心理物理和生理反应的影响。我们完成了一项由 16 名男性和 16 名女性参与者参加的实验室跑步机研究，以确定在平坦和倾斜表面上进行单手搬运所产生的生理和心理物理反应。参与者在四种实验条件下以 3.2 公里/小时的速度行走了 96.5 米：四种实验条件分别为：无负荷和平坦表面[NF]、无负荷和倾斜表面[NI]、负荷和平坦表面[LF]、负荷和倾斜表面[LI]）。结果表明，体脂、体能、负重和倾斜度对心理物理和生理反应的主要影响基本一致，这突出表明，目前的MMH指南在解决体脂百分比和体能对单手搬运任务表现的影响方面存在不足。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Industrial Ergonomics 工程技术-工程：工业

CiteScore

6.40

自引率

12.90%

发文量

110

审稿时长

56 days

期刊介绍： The journal publishes original contributions that add to our understanding of the role of humans in today systems and the interactions thereof with various system components. The journal typically covers the following areas: industrial and occupational ergonomics, design of systems, tools and equipment, human performance measurement and modeling, human productivity, humans in technologically complex systems, and safety. The focus of the articles includes basic theoretical advances, applications, case studies, new methodologies and procedures; and empirical studies.