Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers

Background: The present study analyzes the associations between the muscle contractile properties (MCP) measured at different neuromuscular electrical stimulation amplitudes (NMESa) and the performance or transient fatigue after a bout of repeated sprints. Methods: Seventeen physically active male s...

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Auteurs principaux:	Alejandro Muñoz-López, Moisés de Hoyo, Borja Sañudo
Format:	article
Langue:	EN
Publié:	MDPI AG 2021
Sujets:	tensiomyography fatigue creatin kinase peak torque repeated sprint performance Medicine R
Accès en ligne:	https://doaj.org/article/4fdbb9bcec7f46429037a0191cd95b7c
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spelling	oai:doaj.org-article:4fdbb9bcec7f46429037a0191cd95b7c2021-11-11T16:46:22ZMuscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers10.3390/ijerph1821116891660-46011661-7827https://doaj.org/article/4fdbb9bcec7f46429037a0191cd95b7c2021-11-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11689https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601Background: The present study analyzes the associations between the muscle contractile properties (MCP) measured at different neuromuscular electrical stimulation amplitudes (NMESa) and the performance or transient fatigue after a bout of repeated sprints. Methods: Seventeen physically active male subjects performed six repeated sprints of 30 m with 30 s of passive recovery. Capillary blood creatine kinase (CK) concentration, knee extension or flexion isometric peak torque, tensiomyography, and repeated sprint performance were assessed. Results: Muscle displacement and contraction time were different in relation to the NMESa used in the rectus femoris and biceps femoris muscles. At rest, significant (<i>p</i> < 0.05) associations were found between muscle displacement and the loss of time in the repeated sprints (sprint performance) at 20 or 40 mA in the rectus femoris. At post +24 h or +48 h, the highest significant associations were found between the muscle displacement or the contraction time and CK or peak torques also at submaximal amplitudes (20 mA). The NMESa which elicits the peak muscle displacement showed lack of practical significance. Conclusion: Although MCP are typically assessed in tensiomyography using the NMESa that elicit peak muscle displacement, a submaximal NMESa may have a higher potential practical application to assess neuromuscular fatigue in response to repeated sprints.Alejandro Muñoz-LópezMoisés de HoyoBorja SañudoMDPI AGarticletensiomyographyfatiguecreatin kinasepeak torquerepeated sprint performanceMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11689, p 11689 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	tensiomyography fatigue creatin kinase peak torque repeated sprint performance Medicine R
spellingShingle	tensiomyography fatigue creatin kinase peak torque repeated sprint performance Medicine R Alejandro Muñoz-López Moisés de Hoyo Borja Sañudo Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers
description	Background: The present study analyzes the associations between the muscle contractile properties (MCP) measured at different neuromuscular electrical stimulation amplitudes (NMESa) and the performance or transient fatigue after a bout of repeated sprints. Methods: Seventeen physically active male subjects performed six repeated sprints of 30 m with 30 s of passive recovery. Capillary blood creatine kinase (CK) concentration, knee extension or flexion isometric peak torque, tensiomyography, and repeated sprint performance were assessed. Results: Muscle displacement and contraction time were different in relation to the NMESa used in the rectus femoris and biceps femoris muscles. At rest, significant (<i>p</i> < 0.05) associations were found between muscle displacement and the loss of time in the repeated sprints (sprint performance) at 20 or 40 mA in the rectus femoris. At post +24 h or +48 h, the highest significant associations were found between the muscle displacement or the contraction time and CK or peak torques also at submaximal amplitudes (20 mA). The NMESa which elicits the peak muscle displacement showed lack of practical significance. Conclusion: Although MCP are typically assessed in tensiomyography using the NMESa that elicit peak muscle displacement, a submaximal NMESa may have a higher potential practical application to assess neuromuscular fatigue in response to repeated sprints.
format	article
author	Alejandro Muñoz-López Moisés de Hoyo Borja Sañudo
author_facet	Alejandro Muñoz-López Moisés de Hoyo Borja Sañudo
author_sort	Alejandro Muñoz-López
title	Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers
title_short	Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers
title_full	Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers
title_fullStr	Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers
title_full_unstemmed	Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers
title_sort	muscle contractile properties measured at submaximal electrical amplitudes and not at supramaximal amplitudes are associated with repeated sprint performance and fatigue markers
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4fdbb9bcec7f46429037a0191cd95b7c
work_keys_str_mv	AT alejandromunozlopez musclecontractilepropertiesmeasuredatsubmaximalelectricalamplitudesandnotatsupramaximalamplitudesareassociatedwithrepeatedsprintperformanceandfatiguemarkers AT moisesdehoyo musclecontractilepropertiesmeasuredatsubmaximalelectricalamplitudesandnotatsupramaximalamplitudesareassociatedwithrepeatedsprintperformanceandfatiguemarkers AT borjasanudo musclecontractilepropertiesmeasuredatsubmaximalelectricalamplitudesandnotatsupramaximalamplitudesareassociatedwithrepeatedsprintperformanceandfatiguemarkers
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Muscle Contractile Properties Measured at Submaximal Electrical Amplitudes and Not at Supramaximal Amplitudes Are Associated with Repeated Sprint Performance and Fatigue Markers

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