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<p>The aim of this study was to assess whether mental fatigue can influence the perception of effort and the performance of individuals engaged in extreme conditioning programs. A cross-sectional, experimental, and randomized study was conducted with 25 CrossFit<sup>®</sup> practitioners randomly divided into two groups: Stroop Group (n = 13; 28.9 ± 4.9 years; 172 ± 0.1 cm; 74 ± 12.5 kg; 3.4 ± 1.8 years of practice; 5.5 ± 0.5 days of training per week) and Neutral Group (n = 12; 29.8 ± 5.3 years; 168 ± 0.1 cm; 69.89 ± 16.1 kg; 2.9 ± 1.4 years of practice; 5.2 ± 0.6 days of training per week). The first group underwent a mental stress protocol using the Stroop Color and Word Test, while the second group watched a neutral content video. Subsequently, both groups performed an adapted "Angie" exercise session. The Stroop Group, after just one application of the protocol, showed increased perception of effort (p = 0.0169) and completed the exercise session in a longer time (p = 0.038), compared to the Neutral Group. The Stroop Group also presented a higher Visual Analogue Scale (VAS) score after the mental stress protocol (p = 0.0005). A single application of a mental fatigue protocol had an immediate effect on the performance of practitioners during a training session.</p>

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Impact of a mental fatigue protocol on performance in an extreme conditioning program

  • 期刊论文

  • 发表日期：

    2025年6月3日

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  • Vinícius Jordão Silva,
  • Antônio Ribeiro Neto,
  • Douglas Felipe de Sousa,
  • Gladson Ricardo Flor Bertolini,
  • Dernival Bertoncello

摘要

The aim of this study was to assess whether mental fatigue can influence the perception of effort and the performance of individuals engaged in extreme conditioning programs. A cross-sectional, experimental, and randomized study was conducted with 25 CrossFit® practitioners randomly divided into two groups: Stroop Group (n = 13; 28.9 ± 4.9 years; 172 ± 0.1 cm; 74 ± 12.5 kg; 3.4 ± 1.8 years of practice; 5.5 ± 0.5 days of training per week) and Neutral Group (n = 12; 29.8 ± 5.3 years; 168 ± 0.1 cm; 69.89 ± 16.1 kg; 2.9 ± 1.4 years of practice; 5.2 ± 0.6 days of training per week). The first group underwent a mental stress protocol using the Stroop Color and Word Test, while the second group watched a neutral content video. Subsequently, both groups performed an adapted "Angie" exercise session. The Stroop Group, after just one application of the protocol, showed increased perception of effort (p = 0.0169) and completed the exercise session in a longer time (p = 0.038), compared to the Neutral Group. The Stroop Group also presented a higher Visual Analogue Scale (VAS) score after the mental stress protocol (p = 0.0005). A single application of a mental fatigue protocol had an immediate effect on the performance of practitioners during a training session.