Psoas MusclesPsoas AbscessMusclesMuscle ContractionMuscle Fibers, SkeletalRabbitsMuscle, SkeletalIsometric ContractionSarcomeresMyosinsMyofibrilsMuscle ProteinsMuscle RelaxationMagnesium CompoundsMuscle, SmoothTroponin CPhotolysisAdenosine TriphosphateParaspinal MusclesMuscle, Smooth, VascularBiomechanical PhenomenaTendonsMuscle DevelopmentElectromyographyMuscle FatiguePhosphatesCalciumAdenosine DiphosphateBiophysical PhenomenaMuscle Fibers, Fast-TwitchActomyosinMuscle Fibers, Slow-TwitchX-Ray DiffractionBiophysicsTroponinRetroperitoneal SpaceKineticsMuscle DenervationActinsElbowGlycerolMyosin SubfragmentsActin CytoskeletonElasticityNeck MusclesRhodaminesModels, BiologicalStress, MechanicalTorqueMuscle SpindlesMyocytes, Smooth MuscleMitochondria, MuscleAdenosine TriphosphatasesMuscle WeaknessReflex, StretchOsmolar ConcentrationTime FactorsWristOculomotor MusclesTendon InjuriesMuscle, StriatedHindlimbMotor NeuronsThumbTemperatureAbdominal MusclesRespiratory MusclesQuadriceps MusclePapillary MusclesMovement