Rigor Mortis
  
Temperature                    Stiffness         Approximate Time
of body      of body         Since Death
•Warm
•Warm
•Cold
•Cold
•Not stiff
•Stiff
•Stiff
•Not stiff
•Not dead more than 3 hrs
•Dead between 3 and 8 hrs
•Dead  8 to 30 hours
•Dead more than 30 hours
The rigidity of skeletal muscles after death.