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One size does not fit all: Methodological considerations and recommended solutions for intramuscular temperature assessment.
Rodrigues, Patrick; Orssatto, Lucas B R; Hecksteden, Anne; Trajano, Gabriel S; Minett, Geoffrey M.
Afiliación
  • Rodrigues P; Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria; Institute of Sport Science, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria; Te Huataki Waiora School of Health, University of Waikato, Hamilton, New Zealand. Electronic address: patrick.rodrigues@waikato.ac.n
  • Orssatto LBR; Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Faculty of Health, Deakin University, Geelong, Australia.
  • Hecksteden A; Institute of Physiology, Medical University of Innsbruck, Innsbruck, Austria; Institute of Sport Science, Leopold-Franzens-University of Innsbruck, Innsbruck, Austria.
  • Trajano GS; School of Exercise and Nutrition Sciences, Faculty of Health, Queensland University of Technology (QUT), Brisbane, Australia.
  • Minett GM; School of Exercise and Nutrition Sciences, Faculty of Health, Queensland University of Technology (QUT), Brisbane, Australia.
J Therm Biol ; 124: 103925, 2024 Aug.
Article en En | MEDLINE | ID: mdl-39241530
ABSTRACT
Intramuscular temperature kinetics can provide insightful information for exercise and environmental physiology research. However, currently, there are no consistent method descriptions or guidelines for muscle temperature assessment in the literature. Studies have reported a great variation in muscle temperature assessment, from 1.5 cm under the skin to 4 cm under the muscle fascia. Moreover, a large variation in body composition components among participants exacerbates this issue, changing the depth and the muscle to be tested. For instance, in young adults (25 ± 5 yrs), the thigh subcutaneous fat thickness can vary from 0.11 to 1.69 cm, and vastus lateralis thickness from 1.62 to 3.38 cm; in older adults (68.5 ± 3 yrs), subcutaneous fat thickness plus gastrocnemius medialis thickness can vary from 1.03 to 3.22 cm. This variation results in inconsistent resting muscle temperature profiles and muscle temperature kinetics during and after an exercise or environmental thermal stress interventions (hot or cold). Hence, one fixed size does not fit all. Standardization and consistency in muscle temperature assessment procedures across studies are required to allow a better understanding and translation of the influence of a given stressor (exercise or thermal) on muscle temperature kinetics. This methodological manuscript i) summarizes the differences in muscle temperature assessment procedures and techniques used across different studies, ii) discusses current concerns related to variations in intramuscular needle depth, and subcutaneous fat and muscle thickness when assessing muscle temperature, and iii) suggests a systematic and more robust approach, based on individual body composition characteristics, to be considered when assessing intramuscular temperature.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Músculo Esquelético Límite: Humans Idioma: En Revista: J Therm Biol Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Músculo Esquelético Límite: Humans Idioma: En Revista: J Therm Biol Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido