caa a22 4500 445367725 CHVBK 20180317142936.0 cr unu---uuuuu 170323e20110301xx s 000 0 eng 10.1007/s00484-010-0325-1 doi (NATIONALLICENCE)springer-10.1007/s00484-010-0325-1 Contribution of central versus sweat gland mechanisms to the seasonal change of sweating function in young sedentary males and females [Elektronische Daten] [Yumiko Taniguchi, Junichi Sugenoya, Naoki Nishimura, Satoshi Iwase, Takaaki Matsumoto, Yuuki Shimizu, Yoko Inukai, Maki Sato] In summer and winter, young, sedentary male (N = 5) and female (N = 7) subjects were exposed to heat in a climate chamber in which ambient temperature (Ta) was raised continuously from 30 to 42°C at a rate of 0.1°Cmin−1 at a relative humidity of 40%. Sweat rates (SR) were measured continuously on forearm, chest and forehead together with tympanic temperature (Tty), mean skin temperature $$ \left( {\overline {\hbox{T}} {\hbox{s}}} \right) $$ and mean body temperature $$ \left( {\overline {\hbox{T}} {\hbox{b}}} \right) $$. The rate of sweat expulsions (Fsw) was obtained as an indicator of central sudomotor activity. Tty and $$ \left( {\overline {\hbox{T}} {\hbox{b}}} \right) $$ were significantly lower during summer compared with winter in males; SR was not significantly different between summer and winter in males, but was significantly higher during summer in females; SR during winter was higher in males compared with females. The regression line relating Fsw to $$ \left( {\overline {\hbox{T}} {\hbox{b}}} \right) $$ shifted significantly from winter to summer in males and females, but the magnitude of the shift was not significantly different between the two subject groups. The regression line relating SR to Fsw was steepened significantly from winter to summer in males and females, and the change in the slope was significantly greater in females than in males. Females showed a lower slope in winter and a similar slope in summer compared to males. It was concluded that sweating function was improved during summer mediated by central sudomotor and sweat gland mechanisms in males and females, and, although the change of sweat gland function from winter to summer was greater in females as compared with males, the level of increased sweat gland function during summer was similar between the two subject groups. ISB, 2010 Heat acclimatization nationallicence Sweat gland mechanism nationallicence Central sudomotor mechanism nationallicence Sweating nationallicence Sweat expulsion nationallicence Season nationallicence Taniguchi Yumiko Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Sugenoya Junichi Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Nishimura Naoki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Iwase Satoshi Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Matsumoto Takaaki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Shimizu Yuuki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Inukai Yoko Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut Sato Maki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut International Journal of Biometeorology Springer-Verlag 55/2(2011-03-01), 203-212 0020-7128 55:2<203 2011 55 484 https://doi.org/10.1007/s00484-010-0325-1 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00484-010-0325-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Taniguchi Yumiko Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Sugenoya Junichi Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Nishimura Naoki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Iwase Satoshi Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Matsumoto Takaaki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Shimizu Yuuki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Inukai Yoko Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 700 1- Sato Maki Department of Physiology, Aichi Medical University School of Medicine, 480-1195, Nagakute, Aichi, Japan aut NATIONALLICENCE 773 0- International Journal of Biometeorology Springer-Verlag 55/2(2011-03-01), 203-212 0020-7128 55:2<203 2011 55 484 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer