Cadaveric spasm is -
Cadaveric spasm occurs immediately after death, without going into phase of primary relaxation.
It tells the mode of death, suicide/homicide.
Contraction of muscles is more pronounced and requires more (great) force to overcome than rigor motis.
Shows primary relaxation
Occurs immediately after death
It does not indicates the nature of death
Contraction of muscles involved in cadaveric sapsm is less pronounced than rigor mortis