LordosisSexual Behavior, AnimalPostureKyphosisSpinal CurvaturesSpineLumbar VertebraeVentromedial Hypothalamic NucleusScoliosisHypothalamus, MiddleSacrumPelvisSpinal FusionLumbosacral RegionCervical VertebraePreoptic AreaRadiographyOsteoarthritis, SpineOvariectomySpondylolysisPelvic BonesSpondylolisthesisDiskectomyThoracic VertebraeInternal FixatorsSpondylosisRats, Long-EvansIntervertebral DiscEstradiolIntervertebral Disc DegenerationProgesteroneNerve NetZygapophyseal JointPostural BalanceScheuermann DiseaseVentral Tegmental AreaCastrationBone ScrewsNeural PathwaysRange of Motion, ArticularHypothalamusSpinal DiseasesAbdominal MusclesHandling (Psychology)2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepineBiomechanical PhenomenaOrthopedic Fixation DevicesOssification of Posterior Longitudinal LigamentLongitudinal LigamentsProgestinsBracesSerotonin 5-HT1 Receptor AntagonistsLow Back PainNeuronsRadiculopathy