Femoral NerveFemoral NeuropathyNerve BlockSciatic NerveQuadriceps MusclePudendal NerveAnesthetics, LocalObturator NerveNerve RegenerationPeripheral NervesNerve TransferKneeArthroplasty, Replacement, KneeNerve FibersOptic NervePain, PostoperativeUreterostomyNerve Compression SyndromesHip ContracturePsoas MusclesBupivacaineParalysisAnalgesia, Patient-ControlledCystostomyElectric StimulationPatellofemoral JointOxycodoneElectrodes, ImplantedAmidesThighSural NerveNerve EndingsFemoral FracturesMedian NerveKnee JointTibial NerveFacial NervePeripheral Nerve InjuriesNerve CrushPirinitramideUlnar NervePain MeasurementMotor NeuronsElectromyographyCadaverH-ReflexPatellaHipCompartment SyndromesUltrasonography, InterventionalInfusion PumpsSpinal NervesMuscle Weakness