Adaptations and Teaching Techniques for Riders with Severe Disabilities, Part 6: Example Riders, Cont. Rider #3 Rider Info Age: 9 Gender: Male Diagnosis: Mitochondrial Ecephalmyopathy Mitochondrial Ecephalmyopathy is a condition caused by mutations in the genes in mitochondrial DNA, affecting the brain and nervous system (“encephalo”) and muscles (“myopathy”). It can cause muscle weakness, exercise intolerance, hearing loss, … Continue reading →