A founder variant in the RYR1 gene is associated with hyperCKemia, myalgia and muscle cramps                            
                                                            
                            Abstract                        
                                        Pathogenic variants in the RYR1 gene have been associated with a variety of conditions, ranging from congenital myopathy to adult manifestations. Our aim was to characterize the p.Leu2286Val variant in 17 Basque patients, to accurately determine its correlation with clinical features and to explore the possible founder effect of the variant.