To test the effectiveness of a respiratory physiotherapy treatment plan in patients who have been diagnosed with chronic obstructive pulmonary disease, comparing with two randomized groups, for the performance of different respiratory musculature training protocols. Objectify the data obtained through ultrasound and spirometry, observing the differences obtained at the beginning and end of the study, verifying the efficacy of the PowerBreathe® and Therosold PEP® tools and the effectiveness of diaphragmatic, abdominal and expiratory exercises.

Inclusion Criteria:

• Patients diagnosed with chronic obstructive disease.
• Patients older than 65 years.
• Patients under age.
• Patients with cognitive ability to perform spirometry.
• Patients with physical ability to perform spirometry.

Exclusion Criteria:

• Patients without functional limitations in the respiratory system.
• Patients under 65 years of age.
• Patients with no cognitive ability to perform spirometry.
• Patients without physical ability to perform spirometry.