To evaluate the acute and chronic effects of costal mobilization techniques and diaphragmatic release in chest cavity kinematics, diaphragmatic mobility and functional capacity in patients with chronic obstructive pulmonary disease

Study will be a controlled clinical trial in which participants will be randomized into 2 groups: GROUP A (costal mobilization techniques and Manual Diaphragm Release Technique), GROUP B (Manual Diaphragm Release Technique). After the initial evaluation, participants will undergo six sessions of care according to randomization and will be reevaluated in 3 following situations: immediately after the first session, at the end of treatment and one week after the last session. The evaluation will be performed through Optoelectronic plethysmography , Pollar, Ultrasound and 6-minutes walk test.

Inclusion Criteria:

• Diagnosis of COPD (spirometry with FEV1 <80% and FEV1 / FVC <0.7) of both sexes, who are not undergoing another physiotherapeutic treatment, from to 21 years of age, clinically stable without exacerbation in the last 6 weeks.

Exclusion Criteria:

• Patients with rheumatic or orthopedic diseases;
• Deformities / abnormalities in the spine that compromise the mechanics of the respiratory system;
• Rib fracture for less than 1 year;
• Respiratory co-morbidities;
• History of thoracic or abdominal surgery for less than 1 year;
• Osteoporosis and IMC > 30kg / m²