MONDO_0011771 (neuronopathy, distal hereditary motor, autosomal recessive 3) is a rare neuromuscular disease characterized by progressive muscular weakness and atrophy predominantly affecting distal parts of limbs, later involvement of proximal and trunk muscles with marked hyperlordosis and late diaphragmatic dysfunction. Also known as: autosomal recessive distal spinal muscular atrophy type 3, dHMN3 and dHMN4, dSMA3, distal hereditary motor neuropathy type 3 and type 4, distal spinal muscular atrophy type 3, spinal muscular atrophy, chronic distal, autosomal recessive.