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Related Experiment Videos

Modelling hand skin temperature in relation to body composition.

Katarina Katić1, Rongling Li1, Boris Kingma2

  • 1Eindhoven University of Technology, Department of the Built Environment, De Zaale, PO Box 513, 5600 MB Eindhoven,The Netherlands.

Journal of Thermal Biology
|October 18, 2017
PubMed
Summary
This summary is machine-generated.

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Obese individuals exhibit higher hand skin temperature due to increased skin blood flow and body temperature. Accounting for these physiological differences is crucial for accurate hand thermoregulation modeling in diverse populations.

Area of Science:

  • Thermoregulation
  • Human Physiology
  • Biomedical Engineering

Background:

  • Skin temperature prediction is complex due to physiological and physical variations.
  • Obese individuals demonstrate higher hand skin temperature than normal-weight individuals.
  • Existing models require refinement to account for body composition differences.

Purpose of the Study:

  • To develop and validate a thermophysiological model for predicting hand skin temperature.
  • To investigate the influence of physiological factors on hand skin temperature.
  • To simulate and compare hand skin temperature in obese and normal-weight individuals under varying environmental conditions.

Main Methods:

  • A two-node hand thermophysiological model was developed.
  • Model validation was performed using published experimental data.
Keywords:
Body compositionHand temperatureSkin temperatureThermophysiological model

Related Experiment Videos

  • Sensitivity analysis identified skin blood flow and blood temperature as key influential factors.

    • Main Results:

    • The model accurately predicted hand skin temperature, with a maximum difference of 0.31°C compared to experimental data.
    • Simulations incorporating higher skin blood flow and blood temperature for obese individuals showed good agreement.
    • Ignoring these physiological differences led to an average deviation of 1.42°C in predictions for obese individuals.

    Conclusions:

    • Regional skin temperature distribution varies significantly between obese and normal-weight individuals.
    • Accurate hand skin temperature modeling necessitates consideration of body composition-related physiological differences.
    • The developed model provides a valuable tool for understanding thermoregulation in diverse populations.