Frontiers in Physiology

Body mass index-related heterogeneity in diaphragm thickening fraction response to exercise training in stable chronic obstructive pulmonary disease

Figure 1. Restricted cubic spline plots of the association between BMI and baseline TFdi.
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Figure 1. Restricted cubic spline plots of the association between BMI and baseline TFdi.Restricted cubic spline plots of the association between BMI and baseline TFdi.Wang et al.
Randomised trial in 103 peopleInterventions

4 weeks, declared no competing interests

The paper

Xinjiang Medical University; Shanghai University of Traditional Chinese Medicine

Frontiers in Physiology, 11 Aug 2026

doi.org/10.3389/fphys.2026.1900140PubMed 42643654