Psoas MusclesPsoas AbscessSarcomeresRabbitsMuscle ContractionMyofibrilsMusclesMyosinsIsometric ContractionMuscle Fibers, SkeletalMagnesium CompoundsDiscitisTroponin CLumbosacral PlexusObturator NerveFemoral NerveTuberculosis, SpinalTrack and FieldThighMuscle, SkeletalIsotonic ContractionPhosphatesPhotolysisParaspinal MusclesAdenosine TriphosphateUreterostomyMuscle RelaxationRadiography, AbdominalActomyosinMuscle RigidityBiophysical PhenomenaAdenosine DiphosphateCystostomyTroponinConnectinMuscle Fibers, Slow-TwitchGlycerolCalciumFemoral NeuropathyRetroperitoneal SpaceMuscle Fibers, Fast-TwitchBiophysicsDiphosphatesBiomechanical PhenomenaMyosin SubfragmentsX-Ray DiffractionElasticityNeurologic ManifestationsKineticsLumbar VertebraeAneurysm, Infected