The effect of temperature on the mechanical aspects of rigor mortis in a liquid paraffin model

Ozawa, Masayoshi; Iwadate, Kimiharu; Matsumoto, Sari; Asakura, Kumiko; Ochiai, Eriko; Maebashi, Kyoko

doi:10.1016/j.legalmed.2013.08.001

Cited by 8 publications

(2 citation statements)

References 10 publications

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“…8 The differences in length between ex vivo and postfixation dimensions may be explained by an effect similar to that of rigor mortis, which is maximal at 6 h and persists until 24 h, when the postfixation measurement were performed. 9,10 The effect of formalin on specimen shrinkage appears to be minor, as observed in other studies. 2,5 Our results indicated that the shrinkage of specimens was not related to the sex, age or diagnosis of the patients.…”

Section: Discussionsupporting

confidence: 54%

“…A role would also be played in shrinkage by vascular collapse, the loss of blood flow and tissue fluids through the cut surface, and the possible shrinkage of smooth muscle and endothelium because of the loss of nutritional supply . The differences in length between ex vivo and postfixation dimensions may be explained by an effect similar to that of rigor mortis , which is maximal at 6 h and persists until 24 h, when the postfixation measurement were performed . The effect of formalin on specimen shrinkage appears to be minor, as observed in other studies …”

Section: Discussionmentioning

confidence: 55%

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Study of shrinkage of cutaneous surgical specimens

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Section: Discussionsupporting

confidence: 54%

Section: Discussionmentioning

confidence: 55%

Study of shrinkage of cutaneous surgical specimens

et al. 2015

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Prolonged phonation impairs the integrity and barrier function of porcine vocal fold epithelium: a preliminary study

Zhang

Paddock

Chou

et al. 2018

Eur Arch Otorhinolaryngol

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Re-establishment of rigor mortis: evidence for a considerably longer post-mortem time span

Crostack

Sehner

Raupach³

et al. 2017

Int J Legal Med

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Re-establishment of rigor mortis following mechanical loosening is used as part of the complex method for the forensic estimation of the time since death in human bodies and has formerly been reported to occur up to 8-12 h post-mortem (hpm). We recently described our observation of the phenomenon in up to 19 hpm in cases with in-hospital death. Due to the case selection (preceding illness, immobilisation), transfer of these results to forensic cases might be limited. We therefore examined 67 out-of-hospital cases of sudden death with known time points of death. Re-establishment of rigor mortis was positive in 52.2% of cases and was observed up to 20 hpm. In contrast to the current doctrine that a recurrence of rigor mortis is always of a lesser degree than its first manifestation in a given patient, muscular rigidity at re-establishment equalled or even exceeded the degree observed before dissolving in 21 joints. Furthermore, this is the first study to describe that the phenomenon appears to be independent of body or ambient temperature.

show abstract

The effect of temperature on the mechanical aspects of rigor mortis in a liquid paraffin model

Cited by 8 publications

References 10 publications

Study of shrinkage of cutaneous surgical specimens

Study of shrinkage of cutaneous surgical specimens

Prolonged phonation impairs the integrity and barrier function of porcine vocal fold epithelium: a preliminary study

Re-establishment of rigor mortis: evidence for a considerably longer post-mortem time span

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