Physical training is the basis of pulmonary rehabilitation
and has been shown to enhance performance; promote
physiological adaptations in peripheral muscles; and improve
the sensation of shortness of breath, heart function,
emotional state, and quality of life.2 At the end of the
home-based pulmonary rehabilitation program in this
study, the subjects showed a mean increase in walk distance
of 65 m, compared with 6 m in the control group.
Studies have concluded that 25 m16 to 30 m17 is the