... the rib cage of a patient moves paradoxically inward, therefore his chest wall is deformed, which explains the high work of breathing. 3. During expiration, beside the recoil of the respiratory system, there is also the recoil of the deformed chest wall, toward its passive configuration, with an expansion...

... obstructive lung disease chest wall wash-out of 133 xenon pleural pressure gradient Clinical Science and Molecular Medicine (1975) 48, 193-199. Effects of abdominal breathing on distribution of ventilation in obstructive lung disease G. GRIMBY, H. OXH0J AND B. BAKE Departments of Rehabilitation...