A lethal intravenous injection of EDTA in rabbits inhibited the post-mortem shortening of the semitendinosus muscle and prevented the inextensibility that normally occurs during development of rigor mortis. It was also shown that no appreciable difference in pH and ATP values existed between the EDTA-treated rabbits and the control rabbits at either 1 hour or 20 hours. These results thus indicate that EDTA inhibited the onset of rigor mortis, but did not prevent the breakdown of ATP.
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Weiner et al. (1966) studied this question.