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Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes

The mechanical properties of knee flexors and extensors in 15 collegiate male soccer players following different warm-up protocols [small-sided games (SSG), dynamic (DYN), and plyometric (PLY)] were evaluated. Tensiomyography (TMG) was used to assess contraction time (Tc), delay time (Td) and maxima...

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Autores principales: Redd, Michael J., Starling-Smith, Tristan M., Herring, Chad H., Stock, Matt S., Wells, Adam J., Stout, Jeffrey R., Fukuda, David H.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8544393/
https://www.ncbi.nlm.nih.gov/pubmed/34698223
http://dx.doi.org/10.3390/jfmk6040080
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author Redd, Michael J.
Starling-Smith, Tristan M.
Herring, Chad H.
Stock, Matt S.
Wells, Adam J.
Stout, Jeffrey R.
Fukuda, David H.
author_facet Redd, Michael J.
Starling-Smith, Tristan M.
Herring, Chad H.
Stock, Matt S.
Wells, Adam J.
Stout, Jeffrey R.
Fukuda, David H.
author_sort Redd, Michael J.
collection PubMed
description The mechanical properties of knee flexors and extensors in 15 collegiate male soccer players following different warm-up protocols [small-sided games (SSG), dynamic (DYN), and plyometric (PLY)] were evaluated. Tensiomyography (TMG) was used to assess contraction time (Tc), delay time (Td) and maximal displacement (Dm) of the rectus femoris (RF) and biceps femoris (BF) of both legs before and after each warm-up, while countermovement jump height variables, 20 m sprint, t-test and sit-and-reach were measured following the warm-ups. TMG was analyzed using a three-way [condition × time × leg] ANOVA, while performance variables were analyzed with a repeated measures ANOVA. Main effects of time were observed for BF-Tc (p = 0.035), RF-Td (p < 0.001), and BF-Td, (p = 0.008), and a main effect of condition was seen for RF-Tc (p = 0.038). Moreover, participants’ 20 m sprint improved following SSG (p = 0.021) compared to DYN and PLY. Sit-and-reach was greater following PLY (p = 0.021). No significant interactions were noted for the measured TMG variables. Warm-up-specific improvements were demonstrated in sprint speed and flexibility following SSG and PLY, respectively. The present study revealed changes in certain TMG measures following the warm-ups that suggest enhanced response of lower leg muscles regardless of specific activities used.
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spelling pubmed-85443932021-10-26 Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes Redd, Michael J. Starling-Smith, Tristan M. Herring, Chad H. Stock, Matt S. Wells, Adam J. Stout, Jeffrey R. Fukuda, David H. J Funct Morphol Kinesiol Article The mechanical properties of knee flexors and extensors in 15 collegiate male soccer players following different warm-up protocols [small-sided games (SSG), dynamic (DYN), and plyometric (PLY)] were evaluated. Tensiomyography (TMG) was used to assess contraction time (Tc), delay time (Td) and maximal displacement (Dm) of the rectus femoris (RF) and biceps femoris (BF) of both legs before and after each warm-up, while countermovement jump height variables, 20 m sprint, t-test and sit-and-reach were measured following the warm-ups. TMG was analyzed using a three-way [condition × time × leg] ANOVA, while performance variables were analyzed with a repeated measures ANOVA. Main effects of time were observed for BF-Tc (p = 0.035), RF-Td (p < 0.001), and BF-Td, (p = 0.008), and a main effect of condition was seen for RF-Tc (p = 0.038). Moreover, participants’ 20 m sprint improved following SSG (p = 0.021) compared to DYN and PLY. Sit-and-reach was greater following PLY (p = 0.021). No significant interactions were noted for the measured TMG variables. Warm-up-specific improvements were demonstrated in sprint speed and flexibility following SSG and PLY, respectively. The present study revealed changes in certain TMG measures following the warm-ups that suggest enhanced response of lower leg muscles regardless of specific activities used. MDPI 2021-09-23 /pmc/articles/PMC8544393/ /pubmed/34698223 http://dx.doi.org/10.3390/jfmk6040080 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Redd, Michael J.
Starling-Smith, Tristan M.
Herring, Chad H.
Stock, Matt S.
Wells, Adam J.
Stout, Jeffrey R.
Fukuda, David H.
Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes
title Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes
title_full Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes
title_fullStr Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes
title_full_unstemmed Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes
title_short Tensiomyographic Responses to Warm-Up Protocols in Collegiate Male Soccer Athletes
title_sort tensiomyographic responses to warm-up protocols in collegiate male soccer athletes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8544393/
https://www.ncbi.nlm.nih.gov/pubmed/34698223
http://dx.doi.org/10.3390/jfmk6040080
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