Herxheimer studied the effects on the position and excursion of the diaphragm of both an abdominal and a rib-cage belt, in sitting and supine positions, in patients with COPD and asthma, as well as in healthy subjects
Herxheimer studied the effects on the position and excursion of the diaphragm ofboth an abdominal and a rib-cage belt, in sitting and supine positions, in patients with COPD and asthma, as well as in healthy subjects