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The presence of rigor mortis also assists forensic scientists in determining the time of death. The body muscles will normally be in a relaxed state for the first three hours after death, stiffening between 3 hours and 36 hours, and then becoming relaxed again.
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www.deathonline.net/decomposition/forensic/timing.htm
www.deathonline.net/decomposition/forensic/timing.htm
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Rigor mortis - Wikipedia, the free encyclopedia
Rigor mortis is one of the recognizable signs of death (Latin mors, mortis ) that is caused by a chemical change in the muscles after death, causing the limbs of the corpse to become stiff (Latin ...
en.wikipedia.org/wiki/Rigor_mortis
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Rigor mortis begins within two to six hours of death, starting with the eyelids, neck, and jaw. This sequence may be due to the difference in lactic acid levels among different muscles, which corresponds to the difference in glycogen levels and to the different types of muscle fibers.
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www.deathreference.com/Py-Se/Rigor-Mortis-and-Other-Pos...
www.deathreference.com/Py-Se/Rigor-Mortis-and-Other-Postmortem-Changes.html
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Stiffening of the muscles of the body that occurs after death. Rigor mortis is Latin for “stiffness of death.” ... Note: Figuratively, rigor mortis refers to an absence of flexibility or vitality: “By the time the school finally closed, rigor mortis had set in in nearly every department.â...
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dictionary.reference.com/browse/rigor+mortis
dictionary.reference.com/browse/rigor+mortis
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When conditions are normal (ambient temperature is about 70 F) rigor mortis sets in as follows: -Beginning about 2 hours after death, rigor mortis is first detectable in the small muscles of the face and neck and progresses downward in a head to toe fashion to the larger muscles.
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www.askmehelpdesk.com/forensic-science/rigor-mortis-190...
www.askmehelpdesk.com/forensic-science/rigor-mortis-19044.html
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Rigor mortis is the reason why the word "stiff" is a slang term for a dead body. Two or three hours after a person or animal dies, the muscles start to stiffen. This phenomenon progresses in a downward, head-to-toe direction. In 1...
http://health.howstuffworks.com/rigor-mortis-cause.htm
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This stiffening is called rigor mortis. Depending on temperature and other conditions, rigor mortis lasts approximately 72 hours. The phenomenon is caused by the skeletal muscles partially contracting. The muscles are unable to relax, ... ...
http://chemistry.about.com/cs/biochemistry/a/aa061903a....
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I read your description of rigor mortis; is there any situation that you know of in which rigor mortis would not occur after death? Or does it always occur?
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www.nurseminerva.co.uk/dying.htm
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