Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.

<h4>Background</h4>In resistance-training (RT), the number of repetitions is traditionally prescribed using a predetermined approach (e.g., three sets of 10 repetitions). An emerging alternative is the estimated repetitions to failure (ERF) approach (e.g., terminating sets two repetition...

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Autores principales:	Hadar Schwartz, Aviv Emanuel, Isaac Isur Rozen Samukas, Israel Halperin
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3a6f1700bcc14d79a46d855ef6e4caae
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spelling	oai:doaj.org-article:3a6f1700bcc14d79a46d855ef6e4caae2021-12-02T20:17:50ZExploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.1932-620310.1371/journal.pone.0256231https://doaj.org/article/3a6f1700bcc14d79a46d855ef6e4caae2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256231https://doaj.org/toc/1932-6203<h4>Background</h4>In resistance-training (RT), the number of repetitions is traditionally prescribed using a predetermined approach (e.g., three sets of 10 repetitions). An emerging alternative is the estimated repetitions to failure (ERF) approach (e.g., terminating sets two repetitions from failure). Despite the importance of affective responses experienced during RT, a comparison between the two approaches on such outcomes is lacking.<h4>Methods</h4>Twenty women (age range: 23-45 years) without RT experience completed estimated one repetition maximum (RM) tests in four exercises. In the next two counterbalanced sessions, participants performed the exercises using 70%1RM. Participants completed ten repetitions in all three sets (predetermined condition) or terminated the sets when perceived to be two repetitions away from task-failure (ERF condition). Primary outcomes were affective-valence, enjoyment, and approach-preference and secondary outcomes were repetition-numbers completed in each exercise.<h4>Results</h4>We observed trivial differences in the subjective measures and an approximately even approach-preference split. Under the ERF condition, we observed greater variability in repetition-numbers between participants and across exercises. Specifically, the mean number of repetitions was slightly lower in the chest-press, knee-extension, and lat-pulldown (~1 repetition) but considerably higher in the leg-press (17 vs. 10, p<0.01).<h4>Conclusions</h4>Both approaches led to comparable affective responses and to an approximately even approach preference. Hence, prior to prescribing either approach, coaches should consider trainee's preferences. Moreover, under the ERF condition participants completed a dissimilar number of repetitions across exercises while presumably reaching a similar proximity to task-failure. This finding suggests that ERF allows for better effort regulation between exercises.Hadar SchwartzAviv EmanuelIsaac Isur Rozen SamukasIsrael HalperinPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256231 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hadar Schwartz Aviv Emanuel Isaac Isur Rozen Samukas Israel Halperin Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.
description	<h4>Background</h4>In resistance-training (RT), the number of repetitions is traditionally prescribed using a predetermined approach (e.g., three sets of 10 repetitions). An emerging alternative is the estimated repetitions to failure (ERF) approach (e.g., terminating sets two repetitions from failure). Despite the importance of affective responses experienced during RT, a comparison between the two approaches on such outcomes is lacking.<h4>Methods</h4>Twenty women (age range: 23-45 years) without RT experience completed estimated one repetition maximum (RM) tests in four exercises. In the next two counterbalanced sessions, participants performed the exercises using 70%1RM. Participants completed ten repetitions in all three sets (predetermined condition) or terminated the sets when perceived to be two repetitions away from task-failure (ERF condition). Primary outcomes were affective-valence, enjoyment, and approach-preference and secondary outcomes were repetition-numbers completed in each exercise.<h4>Results</h4>We observed trivial differences in the subjective measures and an approximately even approach-preference split. Under the ERF condition, we observed greater variability in repetition-numbers between participants and across exercises. Specifically, the mean number of repetitions was slightly lower in the chest-press, knee-extension, and lat-pulldown (~1 repetition) but considerably higher in the leg-press (17 vs. 10, p<0.01).<h4>Conclusions</h4>Both approaches led to comparable affective responses and to an approximately even approach preference. Hence, prior to prescribing either approach, coaches should consider trainee's preferences. Moreover, under the ERF condition participants completed a dissimilar number of repetitions across exercises while presumably reaching a similar proximity to task-failure. This finding suggests that ERF allows for better effort regulation between exercises.
format	article
author	Hadar Schwartz Aviv Emanuel Isaac Isur Rozen Samukas Israel Halperin
author_facet	Hadar Schwartz Aviv Emanuel Isaac Isur Rozen Samukas Israel Halperin
author_sort	Hadar Schwartz
title	Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.
title_short	Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.
title_full	Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.
title_fullStr	Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.
title_full_unstemmed	Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.
title_sort	exploring the acute affective responses to resistance training: a comparison of the predetermined and the estimated repetitions to failure approaches.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/3a6f1700bcc14d79a46d855ef6e4caae
work_keys_str_mv	AT hadarschwartz exploringtheacuteaffectiveresponsestoresistancetrainingacomparisonofthepredeterminedandtheestimatedrepetitionstofailureapproaches AT avivemanuel exploringtheacuteaffectiveresponsestoresistancetrainingacomparisonofthepredeterminedandtheestimatedrepetitionstofailureapproaches AT isaacisurrozensamukas exploringtheacuteaffectiveresponsestoresistancetrainingacomparisonofthepredeterminedandtheestimatedrepetitionstofailureapproaches AT israelhalperin exploringtheacuteaffectiveresponsestoresistancetrainingacomparisonofthepredeterminedandtheestimatedrepetitionstofailureapproaches
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Exploring the acute affective responses to resistance training: A comparison of the predetermined and the estimated repetitions to failure approaches.

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