Whiplash InjuriesNeck PainInsurance, AccidentAccidents, TrafficNeck MusclesCornell Medical IndexNeck InjuriesSaskatchewanAccessory NerveHypesthesiaCervical VertebraeAccelerationAccessory Nerve DiseasesIncidenceWounds and InjuriesVertigoCraniocerebral TraumaHeadacheDizzinessPhysical Therapy ModalitiesTreatment OutcomeBrain InjuriesTime Factors