Gender-related difference in sweat loss and its impact on exposure limits to heat stress

Mehnert, Peter; Bröde, Peter; Griefahn, Barbara

doi:10.1016/s0169-8141(02)00073-2

Cited by 54 publications

(37 citation statements)

References 35 publications

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“…Avellini et al [2] observed a significantly higher increase in the whole-body sweat rate in men than in women (35% vs. 15%) after 10 days of adaptation to humid heat. Mehnert et al [27] reported highly significant sex-related differences in sweat rates. The differences remained statistically significant even when women and men were matched for body surface area or surface-to-mass ratio.…”

Section: Discussionmentioning

confidence: 99%

Sauna-induced body mass loss in physically inactive young women and men

Podstawski

Boraczyński

et al. 2016

Biomedical Human Kinetics

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SummaryStudy aim: The aim of this study was to evaluate the relationship between basic somatic features (body mass and height) and body mass loss in physically inactive young women and men exposed to thermal stress in a dry sauna. Materials and methods:The research was conducted in 2015 on 685 first-year full-time students (333 women, 352 men), aged 19-20 years old. Nude body mass was measured after the students dried off before and after using the sauna.Results: An analysis of regression equations indicated that an increase in the body mass of women and men leads to a significant increase in sauna-induced body mass loss. On the other hand, body mass loss decreased with an increase in height in women and men, but to a smaller extent. From among the tested somatic features, body height and body mass, body mass had a decisive influence on body mass loss. Body height had a minimal and statistically non-significant impact on body mass loss. Conclusions:The results of this study indicate that heavier individuals have an increased risk of dehydration and hyperthermia. Therefore, they should pay close attention to replenishing fluids lost in the sauna. The determination of body mass loss values after a visit to a dry sauna has practical significance because it supports the estimation of the fluid volume required for the maintenance of correct water balance.

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Section: Discussionmentioning

confidence: 99%

Sauna-induced body mass loss in physically inactive young women and men

Podstawski

Boraczyński

et al. 2016

Biomedical Human Kinetics

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“…Second, the CTM value of 40.4 1C was based on an exhaustive heat stroke model in rats, whereas many models and instances of heat stroke are of a passive nature (Chiu et al, 1995(Chiu et al, , 1996Haveman et al, 1996;Kao and Lin, 1996;Leon et al, 2005;Lin et al, 1994Lin et al, , 1997Liu et al, 2000;Romanovsky and Blatteis, 1996;Wilkinson et al, 1988;Wright, 1976;Wright et al, 1977). Third, noted species (Hutchison, 1961), strain (Furuyama, 1982), seasonal (Hoar, 1955;Hutchison, 1961), circadian (Hutchison, 1961;Kosh and Hutchison, 1968;Wright et al, 1977), photoperiod (Hutchison, 1961), geographic (Carter et al, 2005;Hutchison, 1961) and sex effects (Aoki et al, 1998;Carpenter and Nunneley, 1988;Furuyama, 1982;Lublin et al, 1995;Ohara et al, 1975;Mehnert et al, 2002) on heat susceptibility suggest that considerable variability of CTM will exist between studies depending on one or all of these factors. For example, the lowest observed CTM in passively heat stressed mice is 40.7 1C (unpublished observations).…”

Section: The Time-intensity Relationship Of Heat Exposurementioning

confidence: 99%

The thermoregulatory consequences of heat stroke: Are cytokines involved?

Leon

2006

Journal of Thermal Biology

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“…Evidence could not be traced out for the relation between sweat loss and fat burning. Some of the earlier studies have shown a high sweat production among males but many of recent studies have rejected this absolute phenomenon and established the effect of fitness and training level as the main causal factor (Mehnert et al , 2002). Further the rate of sweat production has also been attributed to body surface area, height and weight of the subjects (Pandolf et al, 1986).…”

Section: Resultsmentioning

confidence: 99%

Effect of Exercise Machines on Sweat Loss during Exercise

2016

European Journal of Physical Education and Sport

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This study was undertaken to investigate the effect of different cardio machine exercise on the sweat loss. Twelve subjects (6 male and 6 female) in the age range 20 to 35 years were taken as subjects in the study. Subjects were asked to exercise for 30 minutes on each machine while maintaining the exercise intensity in between 65 % to 75 % of maximum heart rate. On each machine before and after exercise, weight of the subjects was measured in kg. During exercise the temperature and humidity of the room were maintained at 26 0 C and 54.3 % respectively. The data so obtained in the study was analyzed using the randomized block design where gender was the between factor and machine was the within factor. The analysis showed that the effect of exercise machine on sweat loss was significant whereas the effect of gender and interaction (gender × machine) was not significant. Significant sweat loss occurred on treadmill in comparison to bicycle ergometer and stepper. No difference was observed in the amount of sweat loss on bicycle ergometer and stepper. On the basis of the study it is concluded that the reduction of weight due to the sweat loss should not be seen as a reflection of amount of fat reduced from the body during exercise. The study suggested that the cycling and stepper should be preferred over treadmill running as the weight loss due to sweat production was significantly lower than the treadmill.

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Gender-related difference in sweat loss and its impact on exposure limits to heat stress

Cited by 54 publications

References 35 publications

Sauna-induced body mass loss in physically inactive young women and men

Sauna-induced body mass loss in physically inactive young women and men

The thermoregulatory consequences of heat stroke: Are cytokines involved?

Effect of Exercise Machines on Sweat Loss during Exercise

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