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 usually starts taking place right after someone dies and lasts for about 72 hours depending on the temperature in the room that the death occurred in. The process of Rigor Mortis takes place mostly because the muscles cannot relax after someone dies. The bones in the personâs body start to actually contract within themselves and the skeletal muscles start to do the same.