Human anatomy > Muscular System > Neck Muscles The neck is the part of the human body that attaches the head to the rest of the body. It is made up of many muscles that are connected from the head to the torso of the body.
About.com Chemistry states that rigor mortis can take anywhere between 10 minutes to several hours to set in. Rigor mortis is the time after death when a body begins to stiffen, and the joints lock into place. Continue Reading.
Rigor mortis is a stiffening of the muscles that takes place after death. It will usually start to take place about three hours after death. Full rigor mortis is reached usually within 12 hours of death. Rigor mortis is usually finished after 72 hours, but may last a little longer.