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  • Title: Protrusion of the tongue in bodies burned after death: Two cases of arson to cover homicide.
    Author: Nikolić S, Živković V.
    Journal: Med Sci Law; 2015 Oct; 55(4):300-3. PubMed ID: 25013164.
    Abstract:
    In the forensic assessment of burned bodies, the question of whether the victim was exposed to fire before or after death is of crucial importance. Many authors consider tongue protrusion in cases of burned bodies to be a post-mortem phenomenon. Deep-heating effects of fire are sufficient to cook muscle. The muscle becomes shortened by dehydration and protein denaturation. Exposure to heat causes flexion of the extremities on the contraction of muscles and tendons - heat rigour. The flexors, being bulkier than the extensors, contract more and force the limbs into the position of general flexion. The genioglossus is the major muscle of the tongue and is responsible for protruding or sticking out the tongue: by means of its inferior fibres, it draws the root of the tongue forward and protrudes the apex from the mouth. Similar to the action of limb flexors exposed to heat and the appearance of post-mortem general flexion of a burned body due to heat rigour, perhaps the geniglossus could be shortened by heat, causing post-mortem tongue protrusion to appear as heat rigour of the tongue. In this paper, we present two such cases of protrusion of the tongue in bodies burned after death - cases of arson to cover homicide.
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