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Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle
Resistance exercise training induces muscle hypertrophy, and recovery between sessions is one of the major determinants of this effect. However, the effect of the recovery period between sessions on muscle hypertrophy following resistance exercise training remains unclear. To elucidate the effect of...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6598394/ https://www.ncbi.nlm.nih.gov/pubmed/31250976 http://dx.doi.org/10.14814/phy2.14155 |
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author | Takegaki, Junya Ogasawara, Riki Kotani, Takaya Tamura, Yuki Takagi, Ryo Nakazato, Koichi Ishii, Naokata |
author_facet | Takegaki, Junya Ogasawara, Riki Kotani, Takaya Tamura, Yuki Takagi, Ryo Nakazato, Koichi Ishii, Naokata |
author_sort | Takegaki, Junya |
collection | PubMed |
description | Resistance exercise training induces muscle hypertrophy, and recovery between sessions is one of the major determinants of this effect. However, the effect of the recovery period between sessions on muscle hypertrophy following resistance exercise training remains unclear. To elucidate the effect of recovery period on hypertrophy, in the present study, we investigated changes in protein degradation systems and hypertrophic responses in rat skeletal muscle to resistance training with variable recovery periods. In the conventional recovery group (exercised every 72 h) and a shorter recovery group (exercised every 24 h), 18 bouts of resistance exercise consisting of 50 repetitions of a 3‐sec maximal isometric contraction caused muscle hypertrophy and slight activation of muscle protein degradation systems. By contrast, in an excessively shorter recovery group (exercised every 8 h), 18 bouts of resistance exercise did not cause hypertrophy and markedly activated protein degradation systems, accompanied by inflammatory responses. These observations indicate that excessive shortening of recovery between sessions does not cause skeletal muscle hypertrophy, likely due to the activation of proteolysis induced by inflammatory responses to resistance exercise training. |
format | Online Article Text |
id | pubmed-6598394 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2019 |
publisher | John Wiley and Sons Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-65983942019-07-11 Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle Takegaki, Junya Ogasawara, Riki Kotani, Takaya Tamura, Yuki Takagi, Ryo Nakazato, Koichi Ishii, Naokata Physiol Rep Original Research Resistance exercise training induces muscle hypertrophy, and recovery between sessions is one of the major determinants of this effect. However, the effect of the recovery period between sessions on muscle hypertrophy following resistance exercise training remains unclear. To elucidate the effect of recovery period on hypertrophy, in the present study, we investigated changes in protein degradation systems and hypertrophic responses in rat skeletal muscle to resistance training with variable recovery periods. In the conventional recovery group (exercised every 72 h) and a shorter recovery group (exercised every 24 h), 18 bouts of resistance exercise consisting of 50 repetitions of a 3‐sec maximal isometric contraction caused muscle hypertrophy and slight activation of muscle protein degradation systems. By contrast, in an excessively shorter recovery group (exercised every 8 h), 18 bouts of resistance exercise did not cause hypertrophy and markedly activated protein degradation systems, accompanied by inflammatory responses. These observations indicate that excessive shortening of recovery between sessions does not cause skeletal muscle hypertrophy, likely due to the activation of proteolysis induced by inflammatory responses to resistance exercise training. John Wiley and Sons Inc. 2019-06-28 /pmc/articles/PMC6598394/ /pubmed/31250976 http://dx.doi.org/10.14814/phy2.14155 Text en © 2019 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of The Physiological Society and the American Physiological Society This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Research Takegaki, Junya Ogasawara, Riki Kotani, Takaya Tamura, Yuki Takagi, Ryo Nakazato, Koichi Ishii, Naokata Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
title | Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
title_full | Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
title_fullStr | Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
title_full_unstemmed | Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
title_short | Influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
title_sort | influence of shortened recovery between resistance exercise sessions on muscle‐hypertrophic effect in rat skeletal muscle |
topic | Original Research |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6598394/ https://www.ncbi.nlm.nih.gov/pubmed/31250976 http://dx.doi.org/10.14814/phy2.14155 |
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