Marins, EF, Cabistany, L, Farias, CB, Dawes, J, and Del Vecchio, FB. Effects of personal protective equipment on metabolism and performance during an Occupational Physical Ability Test for Federal Highway Police officers. J Strength Cond Res 34(4): 1093-1102, 2020-Federal Highway Police (FHP) officers perform their duties while wearing personal protective equipment (PPE). Given the need for officers to wear PPE, it is important to understand the effects this additional load can have on occupational performance. The objective of this study was to evaluate the effects of load carriage on physiological, perceptual, and performance responses during an Occupational Physical Ability Test (OPAT). Thirteen male FHP officers completed an OPAT with PPE (WPPE, load = 12.0 kg) and without PPE (NPPE, load = 5.2 kg) in 2 separate sessions in a randomized and counterbalanced order. Metabolic responses (heart rate [HR] and its variability, and blood lactate concentration [Lac]), perceptual (rating of perceived exertion [RPE]), and OPAT performance were measured. Paired t and Wilcoxon tests were used to identify differences between conditions, and 2-way analysis of variance with Bonferroni post hoc was performed to analyze the results of Lac between the conditions. Occupational Physical Ability Test completion time was significantly greater in the WPPE condition compared with the NPPE condition (125.9 ± 13.8 vs. 118.3 ± 11 seconds, p < 0.01). Lac after the OPAT was higher in the NPPE condition compared with the WPPE (respectively 11.7 ± 2.7 vs. 9.6 ± 1.5 mmol·L, p < 0.05). The HRmax (NPPE = 180.5 ± 8.9 vs. WPPE = 178.3 ± 6.6 b·min, p = 0.44) and RPE (NPPE = 8.6 ± 0.8 vs. WPPE = 8.7 ± 1.0, p = 0.77) were not different between conditions. Personal protective equipment reduces performance in specific occupational circuit, changing Lac but without affecting HR and RPE. Strength and conditioning programs for FHP should aim to reduce the negative impact of additional load associate with wearing PPE.

译文

:马林斯,EF,卡比斯塔尼,L,法里亚斯,CB,Dawes,J和Del Vecchio,FB。在联邦公路警官的职业身体能力测试中,个人防护设备对新陈代谢和性能的影响。 J Strength Cond Res 34(4):1093-1102,2020年-联邦公路警察(FHP)的人员在穿着个人防护设备(PPE)的情况下执行任务。考虑到官员需要穿戴个人防护装备,重要的是要了解这种额外的负荷可能对职业绩效产生的影响。这项研究的目的是评估职业物理能力测试(OPAT)过程中负载运输对生理,知觉和性能反应的影响。 13名FHP男军官以随机和平衡的方式在2个单独的阶段中完成了配备PPE(WPPE,负荷= 12.0千克)和不使用PPE(NPPE,负荷= 5.2千克)的OPAT。测量了代谢反应(心率[HR]及其变异性,血液乳酸浓度[Lac]),知觉性(感觉劳累的评分[RPE])和OPAT性能。配对的t和Wilcoxon检验用于确定条件之间的差异,并用Bonferroni post hoc进行了方差的2维分析,以分析条件之间的Lac结果。与NPPE条件相比,WPPE条件下的职业身体能力测试完成时间明显更长(125.9±13.8 vs. 118.3±11秒,p <0.01)。与WPPE相比,NPAT条件下OPAT后的Lac更高(分别为11.7±2.7和9.6±1.5mmol·L,p <0.05)。 HRmax(NPPE = 180.5±8.9 vs. WPPE = 178.3±6.6 b·min,p = 0.44)和RPE(NPPE = 8.6±0.8 vs. WPPE = 8.7±1.0,p = 0.77)在两个条件之间没有差异。个人防护设备会降低特定职业电路的性能,改变Lac,但不会影响HR和RPE。 FHP的强度和调节程序应旨在减少与穿戴PPE有关的额外负荷的负面影响。

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