caa a22 4500 46905512X CHVBK 20180323132841.0 cr unu---uuuuu 170328e19921101xx s 000 0 eng 10.1007/BF00843768 doi (NATIONALLICENCE)springer-10.1007/BF00843768 Changes in the concentrations of Na+, K+ and Cl− in secretion from the skin during progressive increase in exercise intensity [Elektronische Daten] [Hiroyuki Tanaka, Yoshiaki Osaka, Shigeru Obara, Hisao Yamaguchi, Hiroshi Miyamoto] Summary: A simple method for sampling skin secretion in 1-min periods was developed for investigating the effects of progressive increases in exercise intensity on Na+, K+ and CI− secretions from the skin of the forearm. Ten healthy male subjects performed exercise consisting of eight stepwise increases in intensity from 50 to 225 W, with a 25-W increase at each step. Exercise at each step was for 3 min followed by a 1-min recovery period. Samples of blood and skin secretion were taken during the recovery period. Significant positive correlations were found between the mean concentrations of Na+ and Cl− and between those of K+ and Cl− in the skin secretion. The concentrations of electrolytes in the skin secretion also showed significant correlations with the blood lactate concentrations. The inflection points for secretions of Na+, K+ and Cl− were 4.04, 3.61 and 3.83 mmol · l− of blood lactate; 64.42, 61.96 and 62.14% of maximal oxygen consumption ( $$\dot VO_{2\max } $$ ); and exercise intensities of 123.01, 117.65 and 125.07 W, respectively. No significant differences were observed between the value of 67.27% of $$\dot VO_{2\max } $$ or 134.00W at the onset of blood lactate accumulation (OBLA) and the inflection points. From these results we concluded that changes in electrolyte concentrations in skin secretion during incremental exercise according to this protocol were closely related with the change in the blood lactate concentration, and that the inflection points for electrolytes may have been near the exercise intensity at OBLA. Springer-Verlag, 1992 Blood lactate nationallicence Oxygen uptake nationallicence Skin secretion nationallicence Onset of blood lactate accumulation nationallicence Tanaka Hiroyuki Faculty of Health and Living Sciences, Naruto University of Education, Japan aut Osaka Yoshiaki Faculty of Health and Living Sciences, Naruto University of Education, Japan aut Obara Shigeru Department of Physiology, School of Medicine, The University of Tokushima, Kuramoto-cho, 770, Tokushima, Japan aut Yamaguchi Hisao Department of Physiology, School of Medicine, The University of Tokushima, Kuramoto-cho, 770, Tokushima, Japan aut Miyamoto Hiroshi Department of Physiology, School of Medicine, The University of Tokushima, Kuramoto-cho, 770, Tokushima, Japan aut European Journal of Applied Physiology and Occupational Physiology Springer-Verlag 64/6(1992-11-01), 557-561 0301-5548 64:6<557 1992 64 421 https://doi.org/10.1007/BF00843768 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00843768 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Tanaka Hiroyuki Faculty of Health and Living Sciences, Naruto University of Education, Japan aut NATIONALLICENCE 700 1- Osaka Yoshiaki Faculty of Health and Living Sciences, Naruto University of Education, Japan aut NATIONALLICENCE 700 1- Obara Shigeru Department of Physiology, School of Medicine, The University of Tokushima, Kuramoto-cho, 770, Tokushima, Japan aut NATIONALLICENCE 700 1- Yamaguchi Hisao Department of Physiology, School of Medicine, The University of Tokushima, Kuramoto-cho, 770, Tokushima, Japan aut NATIONALLICENCE 700 1- Miyamoto Hiroshi Department of Physiology, School of Medicine, The University of Tokushima, Kuramoto-cho, 770, Tokushima, Japan aut NATIONALLICENCE 773 0- European Journal of Applied Physiology and Occupational Physiology Springer-Verlag 64/6(1992-11-01), 557-561 0301-5548 64:6<557 1992 64 421 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer