BACKGROUND
Although it is useful for COPD patients to relieve their dyspnea by bracing their arms, the relationships between the arm bracing posture and expiratory flow limitation (EFL) and lung volume are unknown. Whether arm bracing affects dyspnea, EFL, and lung volume in elderly COPD patients was investigated.
METHODS
Sixteen elderly subjects (median [interquartile range] age 81 [77-85] y...