BackBack PainNeck PainMusculoskeletal DiseasesNeckHead and Neck NeoplasmsOccupational DiseasesLow Back PainNeck InjuriesFemoral Neck FracturesUpper ExtremityCarcinoma, Squamous CellBack InjuriesUpper Gastrointestinal TractPain MeasurementCervical VertebraeTreatment OutcomeTomography, X-Ray ComputedLaryngeal NeoplasmsHeadWhiplash InjuriesRetrospective StudiesPostureOtorhinolaryngologic NeoplasmsShoulder PainFollow-Up StudiesLumbar VertebraePharyngeal NeoplasmsTime FactorsProspective StudiesHuman EngineeringDisability EvaluationNeoplasms, Squamous CellShoulderLiftingCombined Modality TherapyChronic PainRisk FactorsMouth NeoplasmsCumulative Trauma DisordersOropharyngeal NeoplasmsPhysical Therapy ModalitiesQuestionnairesFailed Back Surgery Syndrome