Femoral NerveFemoral NeuropathyNerve BlockSciatic NerveNerve Sheath NeoplasmsQuadriceps MusclePudendal NerveAnesthetics, LocalObturator NervePeripheral NervesNerve RegenerationOptic NerveNerve TransferKneeMyelin SheathArthroplasty, Replacement, KneeNerve FibersPain, PostoperativeUreterostomyNerve Compression SyndromesHip ContracturePsoas MusclesBupivacaineAnalgesia, Patient-ControlledParalysisCystostomyOxycodonePatellofemoral JointElectrodes, ImplantedElectric StimulationAmidesThighSural NerveNerve EndingsFemoral FracturesMedian NerveNerve CrushPeripheral Nerve InjuriesFacial NervePirinitramideTibial NerveUlnar NerveUltrasonography, InterventionalPain MeasurementMotor NeuronsH-ReflexCadaverHipElectromyographyInfusion PumpsSpinal NervesCompartment Syndromes