Clinical Research Directory

Inclusion Criteria: PATIENTS * GCS 15 * Stable (no organ failure, SBP ≥ 90 mmHg, DBP ≥ 65 mmHg, RF between 10 and 24 cycles/min) * Cooperative (calm and obedient to instructions) * Victim of a closed cervical spine trauma treated in the pre-hospital setting (fire brigade and/or Mobile Emergency and Resuscitation Service (SMUR)). * Recent trauma (\< 48 hours). * Care regulated by the Emergency Medical Service (SAMU). * Beneficiary of a social security scheme. * Who can be contacted by telephone * Have received oral and written information and have not objected to taking part in the study. PROFESSIONAL * Age ≥ 18 years * Professional firefighter or EMS regulating doctor * Professional who has received training in the protocol and, in the case of the experimental group, in the CCRa rules * Fluency in French * Having received oral and written information and not having objected to their participation in the study. Exclusion Criteria: PATIENTS * Life-threatening organ damage * Cardiorespiratory arrest since the traumatic event in question * Polytrauma patient * Penetrating trauma or a supra-clavicular wound following a knife or firearm injury * Known spinal disease or previous spinal surgery (ankylosing spondylitis, rheumatic fever, spinal stenosis, cervical spine surgery). * Acute paralysis (paraplegia, tetraplegia, hemiplegia, hemiparesis or documented sensory or motor deficit) * Diagnosed osteogenesis imperfecta. * Patients not regulated by EMS or transported to a hospital not participating in the study * Pregnant or breast-feeding women * Known situation of deprivation of liberty (safeguard of justice), guardianship or curatorship PROFESSIONALS \- Persons referred to in articles L. 1121-5 to L. 1121-8 and L. 1122-1-2 of the Public Health Code (e.g. minors, protected adults, persons deprived of their liberty, persons under guardianship, curatorship, etc.).