ArticleMedical science monitor : international medical journal of experimental and clinical research2011
The ability of the skin to absorb heat; the effect of repeated exposure and age.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- The effect of acute administration of vitamin D on micro vascular endothelial function in Caucasians and South Asian Indians.Medical science monitor : international medical journal of experimental and clinical research · 2013Trial
- CoQ10 and endothelial function in Asians from Korea compared to Asians born in the United States and US born Caucasians.Medical science monitor : international medical journal of experimental and clinical research · 2013Trial
- Differences in endothelial function between Korean-Asians and Caucasians.Medical science monitor : international medical journal of experimental and clinical research · 2012Trial
- The effect of type-2-diabetes-related vascular endothelial dysfunction on skin physiology and activities of daily living.Journal of diabetes science and technology · 2011Trial
- Anterior cruciate ligament elasticity and force for flexion during the menstrual cycle.Medical science monitor : international medical journal of experimental and clinical research · 2013Article
- What is more damaging to vascular endothelial function: Diabetes, age, high BMI, or all of the above?Medical science monitor : international medical journal of experimental and clinical research · 2013Article
- Resting blood flow in the skin: does it exist, and what is the influence of temperature, aging, and diabetes?Journal of diabetes science and technology · 2012Review
- The interrelationship between air temperature and humidity as applied locally to the skin: the resultant response on skin temperature and blood flow with age differences.Medical science monitor : international medical journal of experimental and clinical research · 2012Article
- The influence of autonomic dysfunction associated with aging and type 2 diabetes on daily life activities.Experimental diabetes research · 2012Review
- Reduced endothelial function in the skin in Southeast Asians compared to Caucasians.Medical science monitor : international medical journal of experimental and clinical research · 2012Article
Corrections and comments
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundWhen heat is applied to the skin, it is dissipated due to conductive heat flow in the tissue and the blood. While heat flow has been studied after applying a single heat exposure, the physiology of repeated exposures to local heat has not been well investigated. MATERIAL/
methodsTwenty male and female subjects in the age range of 20-65 years old participated in a series of experiments during which a thermode was placed on their leg above the quadriceps muscle for 20 minutes, and on 3 sequential days, to see the effect of repeated local heat on skin blood flow, skin temperature, and on caloric transfer from a thermode used to raise skin temperature.
resultsThe results of the experiment showed that, for young subjects, to raise skin temperature to 40 degrees C required more than double the calories required in older subjects. Further, in the younger subjects, the blood flow response in the first 20 minutes of heat exposure was over 30% higher than that seen in the older subjects. However, on the 2nd and 3rd day, the blood flow response of the younger subjects, was not significantly different between day 2 and 3, but was significantly less than day 1. There was no statistical difference in the blood flow response between day 1, 2 and 3 in the older subjects. In the younger subjects, in the 2 and 3rd day, the number of calories needed to warm the skin was also significantly less than that seen in the first day.
conclusionsIn younger subjects but not older subjects, there appears to be some degree of acclimatization with an enhanced blood flow response in the first day that was protective to the skin which was not seen in repeated heat exposure.
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