After receiving a detailed explanation of the study, including its risks and benefits, and providing informed consent, patients will be screened for eligibility criteria during a single 75-minute evaluation for participation in a physical therapy based pulmonary rehabilitation program. Those meeting eligibility criteria will be randomly assigned in blocks of four (by clinical site) in a single-blind manner (patients) in a 1:1 ratio to either balance training or a breathing and stretching exercise program. Both groups will receive respiratory muscle stretch exercises, aerobic exercise, strength training, and fall prevention education. The intervention phase will last 8 weeks, with patients being seen 3 times per week for 75 minute sessions supervised by a physical therapist or physical therapist assistant.
