RT journal article
T1 Thermal resting pattern and acute skin temperature response to exercise in older adults: Role of cardiorespiratory fitness
A1 Corral Pérez, Juan
A1 Martinez-Tellez, Borja
A1 Velázquez Díaz, Daniel
A1 Ponce González, Jesús Gustavo
A1 Carbonell Baeza, Ana
A1 Jiménez Pavón, David
A2 Didáctica de la Educación FísicaPlástica y Musical
K1 Aging
K1 Infrared thermography
K1 Thermal imaging
K1 Thermoregulation
AB Background: Infrared thermography is a growing area of interest in sports science due to the potential of skin temperature (Tsk) measurements to provide valuable information from rest to exercise. However, limited research exists on Tsk in older adults and the impact of factors such as sex and cardiorespiratory fitness (CRF) on Tsk. This study aims to investigate Tsk at rest and after acute exercise in older adults and assess whether sex or CRF influences Tsk. Methods: Ninety-two participants (41 women, 68.48 ± 3.01 years) were examined with a thermographic camera in a conditioned room (23.02 ± 3.01 °C) at rest and after a graded protocol. The Tsk of 25 regions of interest (ROIs) were extracted and analysed. Results: Men had higher overall Tsk at rest in 76% of ROIs, showing significant differences (p < 0.010) in six specific ROIs, independent of CRF. Both sexes had similar Tsk responses after graded exercise, with increases in distal parts (1.06 ± 0.50 °C), decreases in proximal parts (−0.62 ± 0.42 °C), and stable central Tsk (0.23 ± 0.59 °C). Increases in lower limb Tsk were significantly associated with CRF in men and women (β = 0.438, p = 0.001, and β = 0.535, p < 0.001, respectively), explaining 17% and 27% of the variance, respectively. Conclusions: This study demonstrates a sex-specific effect on resting Tsk in older adults, suggesting that sex-specific Tsk patterns should be considered when analysing Tsk in this population. Additionally, the association between increases in lower limb Tsk and CRF suggests that Tsk could be a promising predictor of CRF in older adults.
PB Elsevier Ltd
SN 1879-0992
YR 2023
FD 2023
LK http://hdl.handle.net/10498/31823
UL http://hdl.handle.net/10498/31823
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 12-nov-2026