Trial reportEuropean journal of applied physiology2025
Effects of simultaneous aerobic and inspiratory muscle training on diaphragm function, respiratory muscle strength, endurance, and fatigue index: randomized-controlled trial.
Trial report in European journal of applied physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06742372 (Effects of Combined Exercise Training Modality on Diaphragm Function and Performance), which is not on this map. Not yet cited in PubMed.
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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.
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Effects of Combined Exercise Training Modality on Diaphragm Function and Performance
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Authors and funding
5 authors.
Funding
Abstract
purposeThis study aims to investigate the effects of Walking-Specific Inspiratory Muscle Training (W-SIMT) on diaphragm thickness-stiffness, pulmonary and respiratory muscle functions, and fatigue index. RESEARCH QUESTION: Do individuals who performed W-SIMT have better diaphragm functions, respiratory muscle strength, endurance, and performance?
methodsTwenty-seven healthy participants were included in the randomized-controlled study. The simultaneous inspiratory and aerobic exercise training (60-80% of maximal heart rate; 3 days/weeks; 4 weeks) was performed in the W-SIMT group (n = 14). The same aerobic (walking) exercise training protocol (n = 13) without Inspiratory Muscle Training (IMT) was applied in the walking (aerobic) group. The W-SIMT group performed 30 consecutive inspirations with 2-min rest (2 sets) in 50% of Maximal Inspiratory Pressure (MIP) using an assistive inspiratory muscle training device simultaneously while walking. The diaphragm thickness and stiffness, pulmonary functions, MIP, Maximal Expiratory Pressure (MEP), sustained inspiratory maximal pressure (P
resultsThere was a significant effect of group × time interaction for MIP (cmH₂O and %, respectively) (F = 28.719, p < 0.001; F = 10.640, p = 0.003), sum (Pmax) (F = 5.414, p = 0.029), and fatigue index (F = 4.775, p = 0.039), in favor of the W-SIMT group.
conclusionThe distinctive combination of respiratory muscle training and aerobic exercise shows additional benefits enhancing particularly respiratory and anaerobic performance even over a short period. Further studies are needed to explore the long-term effects of W-SIMT. TRIAL REGISTRY: Trial Registration Number: NCT06742372.
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