Amber N Schmitz, Hayden K Giuliani-Dewig, Megan R Laffan, Abigail J Trivisonno, Gena R Gerstner, Jacob A Mota, Nicholas A Buoncristiani, Eric D Ryan
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引用次数: 0
摘要
摘要目的：本研究旨在探讨职业消防员工作疲劳知觉与工作表现疲劳的关系，以及身体脂肪百分比（%BF）对职业消防员工作疲劳知觉构念的影响。方法：39名职业消防员完成了身体成分测试，职业疲劳疲劳恢复（OFER15）量表评估与工作有关的疲劳的三个亚量表（急性疲劳，慢性疲劳和轮班间恢复），以及在等张疲劳方案之前和之后的最大腿伸肌等长强度测试。结果：表现疲劳与任何OFER15感知工作疲劳变量无关（P≥0.513）。较大的BF %与较大的%∆峰值扭矩相关（r = -0.41, P = 0.010），但OFER15感知的工作疲劳变量均不相关（P≥0.638）。结论：绩效疲劳与OFER15感知工作疲劳无关，较大的脂肪负向影响绩效疲劳，但不影响感知疲劳。
Work-Related Fatigue: Relationship Between Perceived and Performance Fatigability in Career Firefighters.
Objective: The purpose of this study was to (1) examine the relationship between perceived work-related fatigue and performance fatigability, and (2) assess the impact of percent body fat (%BF) on perceived fatigue constructs in career firefighters.
Methods: Thirty-nine career firefighters completed body composition testing, the Occupational Fatigue Exhaustion Recovery (OFER15) scale assessing three subscales of work-related fatigue (acute fatigue, chronic fatigue, and inter-shift recovery), and maximal leg extensor isometric strength testing prior to and following an isotonic fatiguing protocol.
Results: Performance fatigability was not associated with any of the OFER15 perceived work-related fatigue variables ( P ≥ 0.513). Greater %BF was associated with greater %∆ peak torque ( r = -0.41, P = 0.010) but none of the OFER15 perceived work-related fatigue variables ( P ≥ 0.638).
Conclusions: Performance fatigability was not associated with OFER15 perceived work-related fatigue, and greater adiposity negatively impacted performance fatigability but not perceived fatigability.
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