Progressive Muscle Relaxation in Pulmonary Rehab for Quality of Life, Mental Health, and Sleep in Cystic Fibrosis

Inclusion Criteria: * Confirmed cystic fibrosis diagnosis based on clinical, genetic, or sweat chloride testing, as defined by established CF diagnostic criteria. * 18 years or older at the time of enrollment * Participants must have stable lung function, defined as a Forced Expiratory Volume in 1 second (FEV1) * Participants must not have had a pulmonary exacerbation requiring hospitalization or intravenous (IV) antibiotics within the past 4 weeks before the start of the study * Physically able to engage in the daily exercise and airway clearance components of the pulmonary rehabilitation program * Participants must be willing and able to participate in daily progressive muscle relaxation * Participants must be on a stable medication regimen for at least 4 weeks before study enrollment * Participants must be non-smokers or have quit smoking for at least 6 months before enrollment * Participants must be able to understand and provide written informed consent, indicating their willingness to participate in the study, adhere to the intervention schedule, and comply with follow-up assessments Exclusion Criteria: * Participants who have experienced a pulmonary exacerbation or acute respiratory infection requiring hospitalization or intravenous (IV) antibiotics within the last 4 weeks * Participants who have undergone a lung transplant or any other major surgery within the past 6 months * Participants with severe comorbid conditions such as: uncontrolled cardiovascular disease,…