Femoral NerveFemoral NeuropathyNerve BlockAnuraMusclesSciatic NerveRana pipiensQuadriceps MuscleRana temporariaPudendal NerveMuscle ContractionAnesthetics, LocalObturator NerveElectric StimulationNeuromuscular JunctionNerve RegenerationPeripheral NervesNerve TransferKneeRanidaeArthroplasty, Replacement, KneeOptic NerveNerve FibersPain, PostoperativeUreterostomyNerve Compression SyndromesHip ContracturePsoas MusclesBupivacaineAnalgesia, Patient-ControlledParalysisCystostomyMotor EndplateOxycodonePatellofemoral JointBufo bufoMuscle, SkeletalAmidesElectrodes, ImplantedBufo marinusMotor NeuronsCurarePotassium IsotopesRana ridibundaRana esculentaCardanolidesThighMyofibrilsNerve EndingsFemoral FracturesSural NerveMembrane PotentialsMedian NerveFacial NerveNerve CrushPeripheral Nerve InjuriesPirinitramideTibial NerveUlnar NervePain MeasurementSodium IsotopesH-ReflexNeostigmineTubocurarineCalcium IsotopesHipElectromyographyUltrasonography, InterventionalPotassiumInfusion PumpsCompartment Syndromes