Time required to stabilize thermographic images at rest

Bouzas Marins, Joao Carlos; Gomes Moreira, Danilo; Piñosa Cano, Sergio; Sillero Quintana, Manuel; Dias Soares, Danusa; Andrade Fernandes, Alex de; Sousa da Silva, Fabricio; Amaral Costa, Carlos Magno y Santos Amorim, Paulo Roberto dos (2014). Time required to stabilize thermographic images at rest. "Infrared Physics & Technology", v. 65 ; pp. 30-35. ISSN 1350-4495. https://doi.org/10.1016/j.infrared.2014.02.008.


Título: Time required to stabilize thermographic images at rest
  • Bouzas Marins, Joao Carlos
  • Gomes Moreira, Danilo
  • Piñosa Cano, Sergio
  • Sillero Quintana, Manuel
  • Dias Soares, Danusa
  • Andrade Fernandes, Alex de
  • Sousa da Silva, Fabricio
  • Amaral Costa, Carlos Magno
  • Santos Amorim, Paulo Roberto dos
Tipo de Documento: Artículo
Título de Revista/Publicación: Infrared Physics & Technology
Fecha: Marzo 2014
Volumen: 65
Palabras Clave Informales: Thermoregulation; Thermography; Thermal imaging; Temperature
Escuela: Facultad de Ciencias de la Actividad Física y del Deporte (INEF) (UPM)
Departamento: Deportes
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Thermography for scientific research and practical purposes requires a series of procedures to obtain images that should be standardized; one of the most important is the time required for acclimatization in the controlled environment. Thus, the objective of this study was to identify the appropriate acclimatization time in rest to reach a thermal balance on young people skin. Forty-four subjects participated in the study, 18 men (22.3 ± 3.1 years) and 26 women (21.7 ± 2.5 years). Thermographic images were collected using a thermal imager (Fluke ®), totaling 44 images over a period of 20 minutes. The skin temperature (TSK) was measured at the point of examination which included the 0 minute, 2, 4, 6, 8, 10, 12, 14, 16, 18 and 20. The body regions of interest (ROI) analyzed included the hands, forearms, arms, thighs, legs, chest and abdomen. We used the Friedman test with post hoc Dunn?s in order to establish the time at rest required to obtain a TSK balance and the Mann-Whitney test was used to compare age, BMI, body fat percentage and temperature variations between men and women, considering always a significance level of pmenor que0.05. Results showed that women had significantly higher temperature variations than men (pmenor que0.01) along the time. In men, only the body region of the abdomen obtained a significant variance (pmenor que0.05) on the analyzed period, both in the anterior and posterior part. In women, the anterior abdomen and thighs, and the posterior part of the hands, forearms and abdomen showed significant differences (pmenor que0.05). Based on our results, it can be concluded that the time in rest condition required reaching a TSK balance in young men and women is variable, but for whole body analysis it is recommended at least 10 minutes for both sexes.

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ID de Registro: 29407
Identificador DC: http://oa.upm.es/29407/
Identificador OAI: oai:oa.upm.es:29407
Identificador DOI: 10.1016/j.infrared.2014.02.008
URL Oficial: http://www.sciencedirect.com/science/article/pii/S135044951400036X
Depositado por: Memoria Investigacion
Depositado el: 11 May 2015 08:08
Ultima Modificación: 11 May 2015 08:08
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