The Effectiveness of Osteopathic Treatment in Cervical Whiplash.

Inclusion Criteria: * patients diagnosed with WAD grade II (Quebec classification), * aged between 18 and 55 years, * who started physiotherapy treatment less than 10 days prior to joining the trial, * and who agreed to join the trial and provided informed consent. Exclusion Criteria: * Patients with a history of neck pain in the previous three months (other than the whiplash), * or with a prior history of WAD, * or who had previously received osteopathic treatment for WAD, * Pregnant women, * patients suspected to be simulating or exaggerating their symptoms for financial reasons, * those who presented difficulties carrying out the evaluation correctly due to their culture or a language barrier. * Patients with a history of chest, head or upper limb surgery, * those diagnosed with a neurological condition (such as congenital or diabetic polyneuritis, or any neurological condition), * or rheumatic alterations (such as osteoarthritis, arthritis, ankylosing spondylitis, etc.), * or malformations or surgical interventions that prevented correct conduct of the evaluation test * and/or contraindications for the application of osteopathic and/or conventional treatment.