<h4>Purpose</h4>Our objective is to conduct a screening for motor neuropathy in children and adolescents with type 1 diabetes to assess its point prevalence and to analyse potential risk factors associated with any positive motor neuropathy diagnosis.<h4>Methods</h4>This is a cross-sectional study involving children aged 12 to 18 years who have been diagnosed with diabetes for five or more years and are receiving treatment with an insulin pump. This evidence concerns the gene INS and type 1 diabetes mellitus.