Motivational self-talk improves time-trial swimming endurance performance in amateur triathletes

de Matos, Lorena Fernanda, Bertollo, Maurizio, Stefanello, Joice Mara Facco, Pires, Flavio Oliveira, da Silva, Caroline Kemela, Nakamura, Fabio Yuzo, and Pereira, Gleber (2021) Motivational self-talk improves time-trial swimming endurance performance in amateur triathletes. International Journal of Sport and Exercise Psychology, 19 (3). pp. 446-459.

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Abstract

The aim of this study was to compare the effects of an instructional and a motivational self-talk intervention on swimming endurance performance in amateur triathletes. To this purpose, we designed a parallel two groups, randomised, longitudinal (pre- and post-test) study. During 12 days in all exercise-training sessions, the motivational self-talk (M-ST) group (n = 10) was asked to rehearse motivational sentences driving to improve effort to finish the swimming test (750 m) as fast as they could. The instructional self-talk (I-ST) group (n = 11) was asked to rehearse sentences driven to keep pace and movement fluency. The performance in the swimming test increased significantly only in the M-ST group from pre- to post-intervention (2.8%, η2p=.55). In addition, only the M-ST group increased significantly the swimming pace (η2p=.52), which was measured every 150 m, and maintained the same perception of effort level when comparing pre- and post-intervention. The M-ST group also increased significantly their outcome expectancy (6%, η2p= .34) from pre- to post-intervention, in which the variance of swimming performance was approximately 60% explained by the outcome expectancy (B = .656, SE = .086, p < .001, 95% CI [.482, .830]). Findings suggest that M-ST enhanced outcome expectancy, helping triathletes to improve endurance performance probably due to the higher level of potential motivation which mobilised more effort. Therefore, M-ST intervention has been probably effective to improve swimming endurance performance in amateur triathletes, whereas I-ST has maintained it.

Item ID: 62487
Item Type: Article (Research - C1)
ISSN: 1557-251X
Keywords: Outcome expectancy, rating of perceived exertion, mood, triathlon
Copyright Information: © 2020 International Society of Sport Psychology.
Date Deposited: 11 Mar 2020 07:43
Downloads: Total: 1
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