Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players

Although velocity control in resistance training is widely studied, its utilization in eliciting post-activation performance enhancement (PAPE) responses receives little attention. Therefore, this study aimed to evaluate the effectiveness of heavy-loaded barbell squats (BS) with velocity loss contro...

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Autores principales:	Michal Krzysztofik, Rafal Kalinowski, Robert Trybulski, Aleksandra Filip-Stachnik, Petr Stastny
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	movement velocity sport science post activation potentiation resistance training power Medicine R
Acceso en línea:	https://doaj.org/article/3191a08bbf5540f4a74f43426c552641
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spelling	oai:doaj.org-article:3191a08bbf5540f4a74f43426c5526412021-11-11T16:38:44ZEnhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players10.3390/ijerph1821115301660-46011661-7827https://doaj.org/article/3191a08bbf5540f4a74f43426c5526412021-11-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11530https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601Although velocity control in resistance training is widely studied, its utilization in eliciting post-activation performance enhancement (PAPE) responses receives little attention. Therefore, this study aimed to evaluate the effectiveness of heavy-loaded barbell squats (BS) with velocity loss control conditioning activity (CA) on PAPE in subsequent countermovement jump (CMJ) performance. Sixteen resistance-trained female volleyball players participated in this study (age: 24 ± 5 yrs.; body mass: 63.5 ± 5.2 kg; height: 170 ± 6 cm; relative BS one-repetition maximum (1RM): 1.45 ± 0.19 kg/body mass). Each participant performed two different conditions: a set of the BS at 80% 1 RM with repetitions performed until a mean velocity loss of 10% as the CA or a control condition without CA (CNTRL). To assess changes in jump height (JH) and relative mean power output (MP), the CMJ was performed 5 min before and throughout the 10 min after the CA. The two-way analysis of variance with repeated measures showed a significant main effect of condition (<i>p</i> = 0.008; η<sup>2</sup> = 0.387) and time (<i>p</i> < 0.0001; η<sup>2</sup> = 0.257) for JH. The post hoc test showed a significant decrease in the 10th min in comparison to the value from baseline (<i>p</i> < 0.006) for the CNTRL condition. For the MP, a significant interaction (<i>p</i> = 0.045; η<sup>2</sup> = 0.138) was found. The post hoc test showed a significant decrease in the 10th min in comparison to the values from baseline (<i>p</i> < 0.006) for the CNTRL condition. No significant differences were found between all of the time points and the baseline value for the CA condition. The CA used in the current study fails to enhance subsequent countermovement jump performance in female volleyball players. However, the individual analysis showed that 9 out of the 16 participants (56%) responded positively to the applied CA, suggesting that the PAPE effect may be individually dependent and should be carefully verified before implementation in a training program.Michal KrzysztofikRafal KalinowskiRobert TrybulskiAleksandra Filip-StachnikPetr StastnyMDPI AGarticlemovement velocitysport sciencepost activation potentiationresistance trainingpowerMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11530, p 11530 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	movement velocity sport science post activation potentiation resistance training power Medicine R
spellingShingle	movement velocity sport science post activation potentiation resistance training power Medicine R Michal Krzysztofik Rafal Kalinowski Robert Trybulski Aleksandra Filip-Stachnik Petr Stastny Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players
description	Although velocity control in resistance training is widely studied, its utilization in eliciting post-activation performance enhancement (PAPE) responses receives little attention. Therefore, this study aimed to evaluate the effectiveness of heavy-loaded barbell squats (BS) with velocity loss control conditioning activity (CA) on PAPE in subsequent countermovement jump (CMJ) performance. Sixteen resistance-trained female volleyball players participated in this study (age: 24 ± 5 yrs.; body mass: 63.5 ± 5.2 kg; height: 170 ± 6 cm; relative BS one-repetition maximum (1RM): 1.45 ± 0.19 kg/body mass). Each participant performed two different conditions: a set of the BS at 80% 1 RM with repetitions performed until a mean velocity loss of 10% as the CA or a control condition without CA (CNTRL). To assess changes in jump height (JH) and relative mean power output (MP), the CMJ was performed 5 min before and throughout the 10 min after the CA. The two-way analysis of variance with repeated measures showed a significant main effect of condition (<i>p</i> = 0.008; η<sup>2</sup> = 0.387) and time (<i>p</i> < 0.0001; η<sup>2</sup> = 0.257) for JH. The post hoc test showed a significant decrease in the 10th min in comparison to the value from baseline (<i>p</i> < 0.006) for the CNTRL condition. For the MP, a significant interaction (<i>p</i> = 0.045; η<sup>2</sup> = 0.138) was found. The post hoc test showed a significant decrease in the 10th min in comparison to the values from baseline (<i>p</i> < 0.006) for the CNTRL condition. No significant differences were found between all of the time points and the baseline value for the CA condition. The CA used in the current study fails to enhance subsequent countermovement jump performance in female volleyball players. However, the individual analysis showed that 9 out of the 16 participants (56%) responded positively to the applied CA, suggesting that the PAPE effect may be individually dependent and should be carefully verified before implementation in a training program.
format	article
author	Michal Krzysztofik Rafal Kalinowski Robert Trybulski Aleksandra Filip-Stachnik Petr Stastny
author_facet	Michal Krzysztofik Rafal Kalinowski Robert Trybulski Aleksandra Filip-Stachnik Petr Stastny
author_sort	Michal Krzysztofik
title	Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players
title_short	Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players
title_full	Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players
title_fullStr	Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players
title_full_unstemmed	Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players
title_sort	enhancement of countermovement jump performance using a heavy load with velocity-loss repetition control in female volleyball players
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/3191a08bbf5540f4a74f43426c552641
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Enhancement of Countermovement Jump Performance Using a Heavy Load with Velocity-Loss Repetition Control in Female Volleyball Players

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