Which event does not occur during the onset of rigor mortis?

Name: Which event does not occur during the onset of rigor mortis?
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Question

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Enzymes from lysosomes do not digest crossbridges during the onset of rigor mortis. Rather, the lack of ATP synthesis leads to a buildup of calcium ions in the sarcoplasm, which causes the myosin heads to bind to actin and form crossbridges. This leads to stiffening of the muscles and eventual breakdown and leakage of cellular membranes.

Which Event Does Not Occur During the Onset of Rigor