Strengthening Inspiratory and Oropharyngeal Muscles in Moderate Obstructive Sleep Apnea Hypopnea Syndrome

Inclusion Criteria:

* Moderate SAHOS (15 ≤ AHI ≤30);
* Body Mass Index (BMI) \< 35 ;
* Patient affiliated or entitled to a social security scheme;
* Patient having signed a consent to participate in the study.

Exclusion Criteria:

* Excessive daytime sleepiness: Epworth sleepiness score \> 10 ;
* Professional driving and history of accidents related to sleepiness;
* Severe obstructive or restrictive ventilatory disorders of neuromuscular origin authenticated by respiratory function tests;
* Patients undergoing treatment for OSAS or requiring immediate initiation of continuous positive airway pressure (CPAP) or a mandibular advancement orthosis;
* Patients who have stopped CPAP or orthosis treatment in less than one month;
* Patients undergoing cardiorespiratory exercise rehabilitation or starting regular physical training;
* Uncompensated heart failure, thoracic sternotomy surgery \< 4 months;
* Marked osteoporosis with history of rib fractures;
* History of spontaneous pneumothorax;
* Severe asthma;
* Perforated eardrum or any other ear condition;
* Pulmonary hypertension;
* History of pharyngeal surgery to treat sleep apnea;
* Pregnant women or women in labor;
* Individuals deprived of their liberty or hospitalized without consent;
* Adults subject to legal protective measures (guardianship or conservatorship).

Contraindications for MRI

* Patient with claustrophobia;
* Patient for whom MRI is contraindicated (pacemaker, metallic heart valve, metallic foreign body in the eye).