Spastic Ataxia 2, Autosomal Recessive, also known as spax2, is related to spastic ataxia 2 and spastic ataxia, and has symptoms including cerebellar ataxia, muscular fasciculation and tremor. An important gene associated with Spastic Ataxia 2, Autosomal Recessive is KIF1C (Kinesin Family Member 1C). Affiliated tissues include brain, and related phenotypes are dysarthria and hypodontia