The patient recruiting was stopped after 17 inclusions because of a reorganization of Intensive Care Units at the recruiting center.

Respiratory physiotherapy is not routinely prescribed in the resuscitation department and few studies deal with this subject, especially in respiratory resuscitation

Inclusion Criteria:

• Patient intubated with mechanical ventilation in VS-AI mode, whose weaning is difficult
• Major Patient over 18 years of age
• Patient affiliated to social security

Exclusion Criteria:

• Sedate
• With restrictive or tracheotomized syndrome
• With rib fractures
• Not able to benefit from physiotherapy within 3 hours after the start of the weaning protocol
• Refusal of patient or family
• Physiotherapy contraindications
• Patient under tutorship or curatorship
• Pregnant women