Anal Spasm, also known as anorectal spasm, is related to movement disease, and has symptoms including constipation, spasm and vomiting following gastrointestinal surgery. An important gene associated with Anal Spasm is NKX3-1 (NK3 Homeobox 1), and among its related pathways/superpathways is Sudden infant death syndrome (SIDS) susceptibility pathways. Affiliated tissues include spinal cord and prostate.