Exercise and Venous Compression on Upper Airway Resistance in Obese Teenagers With OSA

Inclusion Criteria: * Obese adolescents (BMI \> 97th percentile), * patients aged from 12 to 17 years old, (born between 07/01/2003 and 09/01/1197), * enrolled in a pediatric obesity center with diet and physical activity programs and psychological management, * without observed tonsils hypertrophy (Mallampati and Friedman scores), * without contraindication for bioimpedance analysis, acoustic method and stain gauge plethysmography, * with physical activity certificate issued by a cardiologist * covered by the national insurance scheme of his/her legal representative, * having signed, as well as his(her) legal representative, the informed consent of participation. Exclusion Criteria: * Non obese adolescents (BMI \< 97th percentile) * patients aged under 12 or over 17 years old, * not enrolled in a pediatric obesity center with diet and physical activity programs and psychological management, * with observed tonsils hypertrophy (Mallampati and Friedman scores), * with contraindication for bioimpedance analysis, acoustic method and stain gauge plethysmography, * without physical activity certificate issued by a cardiologist * uncovered by the national insurance scheme of his/her legal representative, * not having signed, as well as his(her) legal representative, the informed consent of participation.