Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.

Joint kinetic characteristics during the eccentric phase are important in resistance exercises because eccentric actions with elastic potential energy storage lead to the energy recoil with large joint moment and power generation during the subsequent concentric phase. Previous studies assessed the...

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Autores principales:	Mitsuo Otsuka, Toyoyuki Honjo, Akinori Nagano, Tadao Isaka
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/0ee68474687b42049cd7f3878303172c
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spelling	oai:doaj.org-article:0ee68474687b42049cd7f3878303172c2021-12-02T20:05:15ZKinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.1932-620310.1371/journal.pone.0251418https://doaj.org/article/0ee68474687b42049cd7f3878303172c2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251418https://doaj.org/toc/1932-6203Joint kinetic characteristics during the eccentric phase are important in resistance exercises because eccentric actions with elastic potential energy storage lead to the energy recoil with large joint moment and power generation during the subsequent concentric phase. Previous studies assessed the force production capacity in the barbell hip thrust; however, these were reported by the methodology using only surface electromyographic amplitudes recorded in the lower back and thigh muscles and did not focus on eccentric action. This study aimed to determine kinetic characteristics of lumbosacral, hip and knee joints of sprinters during the eccentric and concentric phases in a barbell hip thrust, compared to those of deadlift and back squat. Eleven well-trained male sprinters participated in this study. Each participant performed two full ranges of motion repetition using their previously determined six-repetition maximum loads. During strength exercises, reflective marker displacements attached to the body and a barbell were captured using 22 high-speed cameras, and ground reaction forces were captured using 4 force plates simultaneously. In the barbell hip thrust, as well as deadlift, the peak values of the lumbosacral and hip extension moments were generated almost immediately after the eccentric phase and were 24% and 42% larger than those in the back squat, respectively. In the knee joint, the largest was the peak extension moment in the back squat (155 ± 28 Nm), followed in order by that in the barbell hip thrust (66 ± 33 Nm) and that in the deadlift (24 ± 27 Nm). These demonstrated that a barbell hip thrust, as well as deadlift, can be a resistance exercise to strengthen the lower back and posterior thigh muscles. Thus, these resistance exercises may be able to be used separately according to their intended purposes, enabling transformations of strength training to specific dynamic motions such as sprint running.Mitsuo OtsukaToyoyuki HonjoAkinori NaganoTadao IsakaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0251418 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mitsuo Otsuka Toyoyuki Honjo Akinori Nagano Tadao Isaka Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
description	Joint kinetic characteristics during the eccentric phase are important in resistance exercises because eccentric actions with elastic potential energy storage lead to the energy recoil with large joint moment and power generation during the subsequent concentric phase. Previous studies assessed the force production capacity in the barbell hip thrust; however, these were reported by the methodology using only surface electromyographic amplitudes recorded in the lower back and thigh muscles and did not focus on eccentric action. This study aimed to determine kinetic characteristics of lumbosacral, hip and knee joints of sprinters during the eccentric and concentric phases in a barbell hip thrust, compared to those of deadlift and back squat. Eleven well-trained male sprinters participated in this study. Each participant performed two full ranges of motion repetition using their previously determined six-repetition maximum loads. During strength exercises, reflective marker displacements attached to the body and a barbell were captured using 22 high-speed cameras, and ground reaction forces were captured using 4 force plates simultaneously. In the barbell hip thrust, as well as deadlift, the peak values of the lumbosacral and hip extension moments were generated almost immediately after the eccentric phase and were 24% and 42% larger than those in the back squat, respectively. In the knee joint, the largest was the peak extension moment in the back squat (155 ± 28 Nm), followed in order by that in the barbell hip thrust (66 ± 33 Nm) and that in the deadlift (24 ± 27 Nm). These demonstrated that a barbell hip thrust, as well as deadlift, can be a resistance exercise to strengthen the lower back and posterior thigh muscles. Thus, these resistance exercises may be able to be used separately according to their intended purposes, enabling transformations of strength training to specific dynamic motions such as sprint running.
format	article
author	Mitsuo Otsuka Toyoyuki Honjo Akinori Nagano Tadao Isaka
author_facet	Mitsuo Otsuka Toyoyuki Honjo Akinori Nagano Tadao Isaka
author_sort	Mitsuo Otsuka
title	Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
title_short	Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
title_full	Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
title_fullStr	Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
title_full_unstemmed	Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
title_sort	kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/0ee68474687b42049cd7f3878303172c
work_keys_str_mv	AT mitsuootsuka kineticsinlumbosacralandlowerlimbjointsofsprintersduringbarbellhipthrustcomparedtodeadliftandbacksquat AT toyoyukihonjo kineticsinlumbosacralandlowerlimbjointsofsprintersduringbarbellhipthrustcomparedtodeadliftandbacksquat AT akinorinagano kineticsinlumbosacralandlowerlimbjointsofsprintersduringbarbellhipthrustcomparedtodeadliftandbacksquat AT tadaoisaka kineticsinlumbosacralandlowerlimbjointsofsprintersduringbarbellhipthrustcomparedtodeadliftandbacksquat
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Kinetics in lumbosacral and lower-limb joints of sprinters during barbell hip thrust compared to deadlift and back squat.

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