Feel Breathe, Restriction Device Ventilatory Nasal (COPD)

10 min at 50% of VO2 Peak achieve during a first incremental cardiopulmonary exercise test CPET using oronasal breathing (ONB)

Device: Feel Breathe, restriction device ventilatory nasal The Feel Breathe (FB) consisted of a small adhesive strip that is place across the bridge of the nose during exercise. The FB was place following procedures for placement as indicated by the manufacture's directions, while the placebo nasal, was placed over the nostrils of the subject, without interfering nasal breathing; thus, nasal airflow resistance was not increase. 10 min at 50% of VO2 Peak achieve during a first incremental cardiopulmonary exercise test CPET using FeelBreathe device (FB)