<prompt> Cadaveric spasmInstant in onsetConfined to a small group of muscleOccurs only in voluntary musclesAll of the above  <response>: D All of the above Cadaveric Spasm or Instantaneous Rigor: Cadaveric spasm cataleptic rigidity is a rare condition. In this, the muscles that were contracted during life become stiff and rigid immediately after death without passing into the stage of primary relaxation. Usually limited to a limited group of voluntary muscles tha to frequently involves hands. Whole body can be involved in soldiers involved in a war. 