Brachial Plexus NeuritisMuscular AtrophyRespiratory ParalysisSeptinsSpinal Muscular Atrophies of ChildhoodNeural ConductionElectromyographyMuscle WeaknessUpper ExtremitySpondylosisSural NerveMuscular DiseasesDiabetic NeuropathiesHandPeripheral Nervous System DiseasesCervical VertebraePedigreeMagnetic Resonance Imaging