NDLI: Body mapping of sweating patterns in male athletes in mild exercise-induced hyperthermia

Content Provider	Springer Nature Link
Author	Smith, Caroline J. Havenith, George
Copyright Year	2010
Abstract	Regional variation in sweating over the body is widely recognised. However, most studies only measured a limited number of regions, with the use of differing thermal states across studies making a good meta-analysis to obtain a whole body map problematic. A study was therefore conducted to investigate regional sweat rates (RSR) and distributions over the whole body in male athletes. A modified absorbent technique was used to collect sweat at two exercise intensities [55% (I1) and 75% (I2) $$ {\dot{\text{V}}\text{O}}_{{2{ \max }}} $$ ] in moderately warm conditions (25°C, 50% rh, 2 m s−1 air velocity). At I1 and I2, highest sweat rates were observed on the central (upper and mid) and lower back, with values as high as 1,197, 1,148, and 856 g m−2 h−1, respectively, at I2. Lowest values were observed on the fingers, thumbs, and palms, with values of 144, 254, and 119 g m−2 h−1, respectively at I2. Sweat mapping of the head demonstrated high sweat rates on the forehead (1,710 g m−2 h−1 at I2) compared with low values on the chin (302 g m−2 h−1 at I2) and cheeks (279 g m−2 h−1 at I2). Sweat rate increased significantly in all regions from the low to high exercise intensity, with exception of the feet and ankles. No significant correlation was present between RSR and regional skin temperature (T sk), nor did RSR correspond to known patterns of regional sweat gland density. The present study has provided detailed regional sweat data over the whole body and has demonstrated large intra- and inter-segmental variation and the presence of consistent patterns of regional high versus low sweat rate areas in Caucasians male athletes. This data may have important applications for clothing design, thermophysiological modelling and thermal manikin design.
Starting Page	1391
Ending Page	1404
Page Count	14
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	111
Issue Number	7
e-ISSN	14396327
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-12
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sweating Exercise Metabolic rate Regional Sweat mapping Occupational Medicine/Industrial Medicine Sports Medicine Human Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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