An autosomal dominant neurodegenerative disorder characterized by juvenile onset, distal motor weakness without sensory impairment, and anterior horn cell degeneration. The disease is neuronopathy, distal hereditary motor, autosomal dominant 1 (MONDO_0008451). Also known as: Charcot-Marie-Tooth disease, spinal, I, DHMN1, autosomal dominant distal juvenile spinal muscular atrophy type 1, dHMN1, distal hereditary motor neuronopathy type I, neuronopathy, distal hereditary motor, type 1.