True about Rigor mois:-
Rigor mois involves both voluntary and involuntary muscles, earlier in involuntary muscles. Rigor mois is not seen in Rigor mois is tested by Fetus <2 months Trying to lift eyelids Heat stiffening Lowering the jaw Embalming Bending neck & thighs Instrument: Electromyogram
Does not occur in fetus less than 2 months
Involves voluntary muscles only
Lasts for 12-24 hours in summer
Stas in chin
Thanatology