Autonomic and perceptual thermoregulatory responses to voluntarily engaging in a common thermoregulatory behaviour
Autonomic and perceptual thermoregulatory responses to voluntarily engaging in a common thermoregulatory behaviour
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DOI：
10.1016/j.physbeh.2019.112768
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发表时间：
2020-03-01
影响因子：
2.9
通讯作者：
Kondo, Narihiko
中科院分区：
文献类型：
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作者：
Lei, Tze-Huan;Matsukawa, Hiroki;Kondo, Narihiko
我们研究了在运动期间和运动后在中等环境（23 摄氏度，65% 相对湿度）下脱掉部分衣服是否是一种有效的体温调节行为，可以减轻体温调节和感知压力。十名健康男性（年龄：21.9（0.9）岁；身高：173.9（6.2）cm；体重：62.3（8.2）kg；体表面积：1.8（0.1）m（2）；VO（2）max：51.8（13.3）mL.kg（-1）.min（-1））穿着长袖聚酯衬衫，在40% VO(2)max，然后恢复 20 分钟。在一项试验中，他们被允许随时卷起袖子（卷起），而在另一项试验中，他们被指示保持长袖（不卷起）直到恢复结束。连续测量体温调节变量，同时每 10 分钟测量一次热感知（前臂湿润感知 (WPForearm)、前臂和全身热不适 (TDForearm、TDWhole)、局部和全身热感知 (TSForearm、TSWhole) 和全身湿润感知 (WPwhole)。所有受试者都在 21.6（4.7）分钟时卷起了袖子。 T 型皮肤（32.3 (0.2) 摄氏度 vs 32.0 (0.1) 摄氏度，p = 0.03)，前臂局部出汗率 (0.24 (0.08) mg.cm(-2).min(-1) 对比 0.2 (0.04) mg.cm(-2).min(-1)，p = 0.05)、WPF 前臂、TD 前臂、 滚动时的 TSForearm 和 WPWhole 均低于未滚动的情况（均 p < 0.05），而前臂上的 T 核心和皮肤血管电导 (CVC) 在整个试验过程中没有差异（均 p > 0.7）。我们得出的结论是，这种行为反应是一种有效的体温调节行为，可以在运动期间调节局部催汗功能和热感知、WPWhole，但只有 T-sk、TDForarm、WPForarm 和 WPWhole 在温和环境下的整个恢复过程中持续存在。
We examined whether partial clothing removal is an effective thermoregulatory behaviour to attenuate both thermoregulatory and perceptual strain in a moderate environment (23 degrees C, 65% RH) during and after exercise. Ten healthy males (age: 21.9 (0.9) years; height: 173.9 (6.2) cm; mass: 62.3 (8.2) kg; body surface area: 1.8 (0.1) m(2); VO(2)max: 51.8 (13.3) mL.kg(-1).min(-1)) wore a long sleeve polyester shirt and performed two randomized cycling trials for 40 min at 40% VO(2)max followed by 20 min recovery. In one trial, they were permitted to roll up their sleeves at any time they wanted (Roll) whereas in the other trial, they were instructed to remain with long sleeves (No Roll) until the end of the recovery. Thermoregulatory variables were measured continuously whilst thermal perceptions (forearm wettedness perception (WPForearm), forearm and whole-body thermal discomfort (TDForearm, TDWhole), local and whole-body thermal sensation (TSForearm, TSWhole) and whole-body wettedness perception (WPwhole)) were measured every 10 min. All subjects behaved by rolling up their sleeves at 21.6 (4.7) minutes. T-skin (32.3 (0.2) degrees C, vs 32.0 (0.1) degrees C, p = 0.03), local sweat rate on the forearm (0.24 (0.08) mg.cm(-2).min(-1) vs 0.2 (0.04) mg.cm(-2).min(-1), p = 0.05), WPForearm, TDForearm, TSForearm and WPWhole were all lower in Roll than No Roll (all p < 0.05) whilst T-core and cutaneous vascular conductance (CVC) on the forearm were not different (all p > 0.7) throughout the entire trial. We conclude that this behavioural response is an effective thermoregulatory behaviour to modulate local sudomotor function and thermal perceptions, WPWhole during exercise but only T-sk, TDForearm WPForearm and WPWhole persisted throughout the recovery in a moderate environment.