ArticleJournal of exercise science and fitness2025
Influence of a diaphragmatic fatigue protocol in healthy male population on muscle strength, respiratory function and exercise capacity: A randomized clinical trial.
Article in Journal of exercise science and fitness, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- [Research on a muscle fatigue quantification based on an improved critical power model].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2026Article
- Review
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Inspiratory muscle fatigue has been shown to impair physical performance. This study investigated the impact of a specific inspiratory muscle fatigue protocol on lower limb muscle strength and cardiorespiratory outcomes in a cohort of physically active individuals. Method: A randomized controlled trial, adhering to CONSORT guidelines to ensure methodological rigor. Healthy male participants were randomly assigned to an inspiratory muscle fatigue group (EG) or control load group (CG). The EG performed a diaphragmatic fatigue protocol involving inspiratory exercises at 60 % of their maximal inspiratory pressure (MIP), while the CG performed two sets of 30 repetitions at 15 % of MIP. Measurements, including countermovement jump (CMJ), forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC), FEV1/FVC ratio, half squat (HS), peripheral oxygen saturation (SpO Results: Forty participants completed the study. Significant group-by-time interactions were found for CMJ (p < 0.001; η2p = 0.405), FEV1 (p = 0.030; η2p = 0.118), FEV1/FVC (p < 0.001; η2p = 0.279) and HS (p < 0.001; η2p = 0.332), all with moderate to large effect sizes. Post-hoc analysis revealed a significant decrease in CMJ in the EG (p < 0.001, -8.4 %), while the CG showed no significant change (p = 0.092). FEV Conclusions: Diaphragmatic fatigue significantly impairs lower limb strength in physically active individuals, potentially compromising athletic performance and increasing injury risk. These findings enhance understanding of the interplay between respiratory and muscular strength in athletes.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.