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The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles

Muscle strain is one of the most frequent sports injuries, having the rectus femoris (RF) muscle as the reported preferred site of quadriceps muscle strain. The decrease muscle stiffness could be an effective RF muscle strain prevention. In recent studies, a high-intensity static stretching interven...

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Autores principales: Nakamura, Masatoshi, Sato, Shigeru, Murakami, Yuta, Kiyono, Ryosuke, Yahata, Kaoru, Sanuki, Futaba, Yoshida, Riku, Fukaya, Taizan, Takeuchi, Kosuke
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7838703/
https://www.ncbi.nlm.nih.gov/pubmed/33519530
http://dx.doi.org/10.3389/fphys.2020.628870
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author Nakamura, Masatoshi
Sato, Shigeru
Murakami, Yuta
Kiyono, Ryosuke
Yahata, Kaoru
Sanuki, Futaba
Yoshida, Riku
Fukaya, Taizan
Takeuchi, Kosuke
author_facet Nakamura, Masatoshi
Sato, Shigeru
Murakami, Yuta
Kiyono, Ryosuke
Yahata, Kaoru
Sanuki, Futaba
Yoshida, Riku
Fukaya, Taizan
Takeuchi, Kosuke
author_sort Nakamura, Masatoshi
collection PubMed
description Muscle strain is one of the most frequent sports injuries, having the rectus femoris (RF) muscle as the reported preferred site of quadriceps muscle strain. The decrease muscle stiffness could be an effective RF muscle strain prevention. In recent studies, a high-intensity static stretching intervention decreased passive stiffness, though no study has investigated on the effect of the different static stretching intervention intensities on quadriceps muscle stiffness. The purpose of this study was to investigate the three different quadriceps muscle stiffness intensities (120 vs. 100 vs. 80%). Eighteen healthy, sedentary male volunteers participated in the study and randomly performed three intensities. The static stretching intervention was performed in knee flexion with 30° hip extension. Three 60-second stretching intervention with a 30-second interval were performed at each stretching intensity. We measured knee flexion range of motion and shear elastic modulus of the RF muscle used by ultrasonic shear-wave elastography before and after the static stretching intervention. Our results showed that the knee flexion range of motion was increased after 100% (p < 0.01) and 120% intensities (p < 0.01) static stretching intervention, not in 80% intensity (p = 0.853). In addition, our results showed that the shear elastic modulus of the RF muscle was decreased only after 100% intensity static stretching intervention (p < 0.01), not after 80% (p = 0.365), and 120% intensities (p = 0.743). To prevent the quadriceps muscle strain, especially the RF muscle, 100%, not 120% (high) and 80% (low), intensity stretching could be beneficial in sports setting application.
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spelling pubmed-78387032021-01-28 The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles Nakamura, Masatoshi Sato, Shigeru Murakami, Yuta Kiyono, Ryosuke Yahata, Kaoru Sanuki, Futaba Yoshida, Riku Fukaya, Taizan Takeuchi, Kosuke Front Physiol Physiology Muscle strain is one of the most frequent sports injuries, having the rectus femoris (RF) muscle as the reported preferred site of quadriceps muscle strain. The decrease muscle stiffness could be an effective RF muscle strain prevention. In recent studies, a high-intensity static stretching intervention decreased passive stiffness, though no study has investigated on the effect of the different static stretching intervention intensities on quadriceps muscle stiffness. The purpose of this study was to investigate the three different quadriceps muscle stiffness intensities (120 vs. 100 vs. 80%). Eighteen healthy, sedentary male volunteers participated in the study and randomly performed three intensities. The static stretching intervention was performed in knee flexion with 30° hip extension. Three 60-second stretching intervention with a 30-second interval were performed at each stretching intensity. We measured knee flexion range of motion and shear elastic modulus of the RF muscle used by ultrasonic shear-wave elastography before and after the static stretching intervention. Our results showed that the knee flexion range of motion was increased after 100% (p < 0.01) and 120% intensities (p < 0.01) static stretching intervention, not in 80% intensity (p = 0.853). In addition, our results showed that the shear elastic modulus of the RF muscle was decreased only after 100% intensity static stretching intervention (p < 0.01), not after 80% (p = 0.365), and 120% intensities (p = 0.743). To prevent the quadriceps muscle strain, especially the RF muscle, 100%, not 120% (high) and 80% (low), intensity stretching could be beneficial in sports setting application. Frontiers Media S.A. 2021-01-13 /pmc/articles/PMC7838703/ /pubmed/33519530 http://dx.doi.org/10.3389/fphys.2020.628870 Text en Copyright © 2021 Nakamura, Sato, Murakami, Kiyono, Yahata, Sanuki, Yoshida, Fukaya and Takeuchi. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Physiology
Nakamura, Masatoshi
Sato, Shigeru
Murakami, Yuta
Kiyono, Ryosuke
Yahata, Kaoru
Sanuki, Futaba
Yoshida, Riku
Fukaya, Taizan
Takeuchi, Kosuke
The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles
title The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles
title_full The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles
title_fullStr The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles
title_full_unstemmed The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles
title_short The Comparison of Different Stretching Intensities on the Range of Motion and Muscle Stiffness of the Quadriceps Muscles
title_sort comparison of different stretching intensities on the range of motion and muscle stiffness of the quadriceps muscles
topic Physiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7838703/
https://www.ncbi.nlm.nih.gov/pubmed/33519530
http://dx.doi.org/10.3389/fphys.2020.628870
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