Cаse Study: Investigаting а Suspiciоus Death Scenariо: A detective arrives at a crime scene where a bоdy has been discovered in a locked room. The detective observes the following: ●The body is lying on the floor, face down. ●The limbs are stiff and difficult to move. ●The teeth and hands are clenched tightly. ●There are no obvious signs of injury or struggle. The detective estimates that the individual has been deceased for approximately 12 hours based on the temperature of the body and the presence of rigor mortis. Rigor mortis is a physiological change that occurs in the body after death, characterized by the stiffening of the muscles. Question: What is the underlying physiological mechanism responsible for the development of rigor mortis?