Effects of Handgrip Work and Heat Load on Heart Rate Variability The purpose of the present study was to evaluate cardiac sympathetic (SNS) and parasympathic (PNS) nervous system activities during isometric continuous and intermittent handgrip with power spectrum analysis of heart rate variability (...
Evidence demonstrates that for unbiased comparisons of changes in core temperature (ΔTcore) between groups unmatched for body morphology, exercise should be performed using a fixed heat production (Hprod) per unit mass in physiologically compensable environments [1]. In uncompensable conditions, it...
In comparison with spa therapy procedures, the heat exchange processes which occur when a human swims in water exhibit some peculiarities which are complex and difficult to explain. In this paper the authors present a description of their determination of the various factors which are to be taken...
As far as human health is concerned, those hit hardest will probably be residents of poorer countries that do not have the founds to fend against changes in climate. A slightest increase in heat and rain in equatorial regions would likely spark an increase in vector-borne diseases such as mal...
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B. dentium, which is commonly found in the human oral microbiome21, had increased abundance and prevalence in the gut with age22. While two dozen of other bacterial species have been identified as age-associated23, their associations with age in CRC patients were weak, suggesting that CRC ...
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Lee7modeled a clothed human. His model predicts that the ratio of convective to radiative heat loss is 0.7 at an ambient temperature of 20°C, somewhat higher than predicted by Eq. (6). This result was independent of the air gap between skin and fabric. The model was validated by an ex...
Every human being,no matter what he is doing,gives off body heat.The usual problem is how to dispose of it.But the designers of the Johnstown campus of the University of Pittsburgh set themselves the opposite problem—how to collect body heat.They have designed a collection s...
June was the warmest month on record globally, according to the European Centre for Medium-Range Weather Forecasts. A team of researchers from the United Kingdom determined that the point at which heat becomes seriously dangerous to humans is between 104