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Skeletal muscle oxidative adaptations following localized heat therapy

Repeated heat treatment has been shown to induce oxidative adaptations in cell cultures and rodents, but similar work within human models is scarce. This study investigated the effects of 6 weeks of localized heat therapy on near-infrared spectroscopy-(NIRS) derived indices of muscle oxidative and m...

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Autores principales: Ihsan, Mohammed, Labidi, Mariem, Racinais, Sebastien
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10363048/
https://www.ncbi.nlm.nih.gov/pubmed/36952087
http://dx.doi.org/10.1007/s00421-023-05159-7
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author Ihsan, Mohammed
Labidi, Mariem
Racinais, Sebastien
author_facet Ihsan, Mohammed
Labidi, Mariem
Racinais, Sebastien
author_sort Ihsan, Mohammed
collection PubMed
description Repeated heat treatment has been shown to induce oxidative adaptations in cell cultures and rodents, but similar work within human models is scarce. This study investigated the effects of 6 weeks of localized heat therapy on near-infrared spectroscopy-(NIRS) derived indices of muscle oxidative and microvascular function. Twelve physically active participants (8 males and 4 females, age: 34.9 ± 5.9 years, stature: 175 ± 7 cm, body mass: 76.7 ± 13.3 kg) undertook a 6-week intervention, where adhesive heat pads were applied for 8 h/day, 5 days/week, on one calf of each participant, while the contralateral leg acted as control. Prior to and following the intervention, the microvascular function was assessed using NIRS-based methods, where 5 min of popliteal artery occlusion was applied, and the reperfusion (i.e., re-saturation rate, re-saturation amplitude, and hyperemic response) was monitored for 2 min upon release. Participants also performed a 1-min isometric contraction of the plantar flexors (30% maximal voluntary contraction), following which a further 2 min interval was undertaken for the assessment of recovery kinetics. A 20-min time interval was allowed before the assessment protocol was repeated on the contralateral leg. Repeated localized heating of the gastrocnemius did not influence any of the NIRS-derive indices of microvascular or oxidative function (p > 0.05) following 6 weeks of treatment. Our findings indicate that localized heating via the use of adhesive heat pads may not be a potent stimulus for muscle adaptations in physically active humans.
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spelling pubmed-103630482023-07-24 Skeletal muscle oxidative adaptations following localized heat therapy Ihsan, Mohammed Labidi, Mariem Racinais, Sebastien Eur J Appl Physiol Original Article Repeated heat treatment has been shown to induce oxidative adaptations in cell cultures and rodents, but similar work within human models is scarce. This study investigated the effects of 6 weeks of localized heat therapy on near-infrared spectroscopy-(NIRS) derived indices of muscle oxidative and microvascular function. Twelve physically active participants (8 males and 4 females, age: 34.9 ± 5.9 years, stature: 175 ± 7 cm, body mass: 76.7 ± 13.3 kg) undertook a 6-week intervention, where adhesive heat pads were applied for 8 h/day, 5 days/week, on one calf of each participant, while the contralateral leg acted as control. Prior to and following the intervention, the microvascular function was assessed using NIRS-based methods, where 5 min of popliteal artery occlusion was applied, and the reperfusion (i.e., re-saturation rate, re-saturation amplitude, and hyperemic response) was monitored for 2 min upon release. Participants also performed a 1-min isometric contraction of the plantar flexors (30% maximal voluntary contraction), following which a further 2 min interval was undertaken for the assessment of recovery kinetics. A 20-min time interval was allowed before the assessment protocol was repeated on the contralateral leg. Repeated localized heating of the gastrocnemius did not influence any of the NIRS-derive indices of microvascular or oxidative function (p > 0.05) following 6 weeks of treatment. Our findings indicate that localized heating via the use of adhesive heat pads may not be a potent stimulus for muscle adaptations in physically active humans. Springer Berlin Heidelberg 2023-03-23 2023 /pmc/articles/PMC10363048/ /pubmed/36952087 http://dx.doi.org/10.1007/s00421-023-05159-7 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) .
spellingShingle Original Article
Ihsan, Mohammed
Labidi, Mariem
Racinais, Sebastien
Skeletal muscle oxidative adaptations following localized heat therapy
title Skeletal muscle oxidative adaptations following localized heat therapy
title_full Skeletal muscle oxidative adaptations following localized heat therapy
title_fullStr Skeletal muscle oxidative adaptations following localized heat therapy
title_full_unstemmed Skeletal muscle oxidative adaptations following localized heat therapy
title_short Skeletal muscle oxidative adaptations following localized heat therapy
title_sort skeletal muscle oxidative adaptations following localized heat therapy
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10363048/
https://www.ncbi.nlm.nih.gov/pubmed/36952087
http://dx.doi.org/10.1007/s00421-023-05159-7
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