The following rule is not associated with rigor mois

Rule of Morrison: Gestational age of fetus (6 - 10 months) Nysten's rule: Rigor mois ( order of appearance) Rule of 12: Rigor mois Shapiro's rule: Rigor mois Rule of 9: Burns Rule of Hasse: Gestational age of fetus (first 5 months) Casper's dictum: Decomposition