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Rib cage contribution to the tidal volume excursions (A); phase relation during total breath (B); and phase angle (C) in subjects with skeletal dysplasia vs. reference values of healthy subjects. *p<0.05. Data expressed as mean ± SE; %RC= percentage of rib cage contribution to the tidal volume excursions; PhRTB= phase relation during total breath; and Phθ= phase angle.
