Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle

We aimed to uncover which rectus femoris strain injury types affect regional activation within the rectus femoris. The rectus femoris has a region-specific functional role; the proximal region of the rectus femoris contributes more than the middle and distal regions during hip flexion. Although a hi...

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Autores principales:	Yoshiaki Kubo, Kohei Watanabe, Koichi Nakazato, Koji Koyama, Kenji Hiranuma
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	rectus femoris muscle muscle strain injury electromyography physiology sports medicine Sports GV557-1198.995
Acceso en línea:	https://doaj.org/article/73481f0fd1ef457fac8619965c6af6b9
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spelling	oai:doaj.org-article:73481f0fd1ef457fac8619965c6af6b92021-11-25T19:00:04ZCentral Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle10.3390/sports91101502075-4663https://doaj.org/article/73481f0fd1ef457fac8619965c6af6b92021-10-01T00:00:00Zhttps://www.mdpi.com/2075-4663/9/11/150https://doaj.org/toc/2075-4663We aimed to uncover which rectus femoris strain injury types affect regional activation within the rectus femoris. The rectus femoris has a region-specific functional role; the proximal region of the rectus femoris contributes more than the middle and distal regions during hip flexion. Although a history of strain injury modifies the region-specific functional role within the rectus femoris, it was not obvious which rectus femoris strain injury types affect regional activation within it. We studied 12 soccer players with a history of rectus femoris strain injury. Injury data were obtained from a questionnaire survey and magnetic resonance imaging. To confirm the region-specific functional role of the rectus femoris, surface multichannel electromyographic signals were recorded. Accordingly, eight legs had a history of central tendon injury, four had a history of myofascial junction injury, and four had a healed strain injury. When the injury was limited to the central tendon, the region-specific functional role disappeared. The region-specific functional role was confirmed when the injury was outside the central part. The neuromuscular function was also inhibited when the longitudinal range of the injured region was long. Our findings suggest that a central tendon injury with a long injury length impairs regional neuromuscular activation of the rectus femoris muscle.Yoshiaki KuboKohei WatanabeKoichi NakazatoKoji KoyamaKenji HiranumaMDPI AGarticlerectus femoris musclemuscle strain injuryelectromyographyphysiologysports medicineSportsGV557-1198.995ENSports, Vol 9, Iss 150, p 150 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	rectus femoris muscle muscle strain injury electromyography physiology sports medicine Sports GV557-1198.995
spellingShingle	rectus femoris muscle muscle strain injury electromyography physiology sports medicine Sports GV557-1198.995 Yoshiaki Kubo Kohei Watanabe Koichi Nakazato Koji Koyama Kenji Hiranuma Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle
description	We aimed to uncover which rectus femoris strain injury types affect regional activation within the rectus femoris. The rectus femoris has a region-specific functional role; the proximal region of the rectus femoris contributes more than the middle and distal regions during hip flexion. Although a history of strain injury modifies the region-specific functional role within the rectus femoris, it was not obvious which rectus femoris strain injury types affect regional activation within it. We studied 12 soccer players with a history of rectus femoris strain injury. Injury data were obtained from a questionnaire survey and magnetic resonance imaging. To confirm the region-specific functional role of the rectus femoris, surface multichannel electromyographic signals were recorded. Accordingly, eight legs had a history of central tendon injury, four had a history of myofascial junction injury, and four had a healed strain injury. When the injury was limited to the central tendon, the region-specific functional role disappeared. The region-specific functional role was confirmed when the injury was outside the central part. The neuromuscular function was also inhibited when the longitudinal range of the injured region was long. Our findings suggest that a central tendon injury with a long injury length impairs regional neuromuscular activation of the rectus femoris muscle.
format	article
author	Yoshiaki Kubo Kohei Watanabe Koichi Nakazato Koji Koyama Kenji Hiranuma
author_facet	Yoshiaki Kubo Kohei Watanabe Koichi Nakazato Koji Koyama Kenji Hiranuma
author_sort	Yoshiaki Kubo
title	Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle
title_short	Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle
title_full	Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle
title_fullStr	Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle
title_full_unstemmed	Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle
title_sort	central tendon injury impairs regional neuromuscular activation of the rectus femoris muscle
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/73481f0fd1ef457fac8619965c6af6b9
work_keys_str_mv	AT yoshiakikubo centraltendoninjuryimpairsregionalneuromuscularactivationoftherectusfemorismuscle AT koheiwatanabe centraltendoninjuryimpairsregionalneuromuscularactivationoftherectusfemorismuscle AT koichinakazato centraltendoninjuryimpairsregionalneuromuscularactivationoftherectusfemorismuscle AT kojikoyama centraltendoninjuryimpairsregionalneuromuscularactivationoftherectusfemorismuscle AT kenjihiranuma centraltendoninjuryimpairsregionalneuromuscularactivationoftherectusfemorismuscle
_version_	1718410408879980544

Central Tendon Injury Impairs Regional Neuromuscular Activation of the Rectus Femoris Muscle

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