Abdominal PainAbdomen, AcuteAbdominal FatRupture, SpontaneousAbdomenPainIntra-Abdominal FatSubcutaneous Fat, AbdominalDietary FatsFatsAdipose TissueSubcutaneous FatBody Fat DistributionBody CompositionSuperficial Back MusclesAdiposityRadiography, AbdominalChronic PainPain ManagementObserver VariationTomography, X-Ray ComputedReproducibility of ResultsObesity, AbdominalObesityPain ThresholdAbsorptiometry, PhotonPain, PostoperativePain MeasurementBack PainPain, IntractableLow Back PainTreatment OutcomeBody Mass IndexWaist CircumferenceNeck PainPelvic PainIdeal Body WeightAcute PainPain PerceptionBody WeightWaist-Hip RatioAppendicitisInsulin ResistanceProspective StudiesTime FactorsBlood GlucoseFacial PainHuman MigrationAnthropometryMagnetic Resonance Imaging