期刊
JOURNAL OF THERMAL BIOLOGY
卷 66, 期 -, 页码 1-9出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtherbio.2017.03.006
关键词
Thermal imaging; Thermal distribution; Skin temperature; Body Composition; Adipose tissue
This study aimed to search for relations between body fat percentage and skin temperature and to describe possible effects on skin temperature as a result of fat percentage in each anatomical site. Women (26.11 +/- 4.41 years old) (n =123) were tested for: body circumferences; skin temperatures (thermal camera); fat percentage and lean mass from trunk, upper and lower limbs; and body fat percentage (Dual-Energy X-Ray Absorptiometry). Values of minimum (T-Mi), maximum (T-Ma), and mean temperatures (T-Me) were acquired in 30 regions of interest. Pearson's correlation was estimated for body circumferences and skin temperature variables with body fat percentage. Participants were divided into groups of high and low fat percentage of each body segment, of which T-Me values were compared with Student's t-test. Linear regression models for predicting body fat percentage were tested. Body fat percentage was positively correlated with body circumferences and palm temperatures, while it was negatively correlated with most temperatures, such as T-Ma and T-Me of posterior thighs (r =-0.495 and -0.432), TMe of posterior lower limbs (r =-0.488), T-Ma of anterior thighs (r =-0.406) and T-Mi and T-Me of posterior arms (r =-0.447 and -0.430). Higher fat percentages in the specific anatomical sites tended to decrease T-Me, especially in posterior thighs, shanks and arms. Skin temperatures and body circumferences predicted body fat percentage with 58.3% accuracy (R =0.764 and R-2 =0.583). This study clarifies that skin temperature distribution is influenced by the fat percentage of each body segment. (C) 2017 Elsevier Ltd. All rights reserved.
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