Inclusion Criteria (common):  More than 18 years old Understanding French  Inclusion Criteria (hEDS Patients):  hEDS diagnosis  Inclusion Criteria (healthy subjects):  Age (±5 years), Gender and BMI (±2.5kg/m²) matching  Exclusion Criteria (common):  Pregnancy  Exclusion Criteria (hEDS Patients):  Respiratory comorbidity independent of hEDS Previous participation in a rehabilitation programme at the clinic  Exclusion Criteria (healthy subjects):  Known respiratory or proprioceptive pathology Hypermobility (evaluated with the Beighton score)