<div class="xsheading">Vol. III</div> <div class="sheading">Wearing Away The Rotted Flesh:</div> <center><span class="lheading">Rigor Mortis</span></center> --- #### By: [[Grey|Bryvyndrel’lnshatfyll Gryysymtsofaemorianthiel]] --- _<div class="info">✦ Where: [[Apple's Orchard]] ✦ Date: <font color="#81799">08/06/2025</font> ✦ Session: [[Session 7]] ✦</div>_ >[!noted] ><center>A book with gross detail into humanoid muscle system facilitates movement, posture, and balance.</center> --- > [!clue|no-title paper-d] ><div class="typewriter1"><p align="justify">Rigor mortis results from the cessation of breathing and oxygen intake following death, which leads to the termination of aerobic respiration, the main process by which cells generate energy in the form of adenosine triphosphate (ATP). It is imperative you know where the muscle and sinew connect precisely, and how exactly they move; watch, and visualise the component parts coming together to form a whole. This is necessary in order to alter their configuration. > ><p align="justify">ATP serves a critical role in muscle contraction by binding to a type of filament in muscle tissue known as myosin. Myosin and a second type of filament known as actin slide past one another to generate a muscle contraction. In order for this process to occur, globular headlike regions at the end of myosin filaments attach to binding sites on actin. > ><p align="justify">When ATP attaches to myosin, the ATP molecule is hydrolyzed to form ADP, with the reaction simultaneously inducing a conformational change in myosin that allows the globular head region to release from actin. Myosin is then free to bind to a new site on actin for the generation of another muscle contraction. Therein the vital organs should be mapped no less than accurate in one's mind; how they function, to add to their number or replace them; to recognise each imperfection and misalignment in order to truly dictate where the body went astray. > ><p align="justify">In rigor mortis and the absence of ATP, however, myosin is unable to change its conformation to dissociate from actin, and muscles remain in a contracted, stiffened state. Other chemical characteristics of rigor mortis include the accumulation of lactic acid in muscle tissue and postmortem leakage of calcium ions into the sarcomere, where myosin and actin filaments are located. > ><p align="justify">Lactic acid is produced postmortem as still-living muscle cells switch from aerobic to anaerobic metabolism; as lactic acid builds up inside cells during rigor, it causes a decrease in pH levels. Each clench, flex, flutter and twitch need to be memorised as if it were your own. Calcium that leaks into the sarcomere binds to the muscle filaments, reinforcing their continued contraction, contributing to the onset and duration of rigor. Attempt to slip your fingers beneath the subject's skin, press with a firm hold to familiarise yourself the movement and feel of every surface inside and out, until you commit the entire subject to memory. he motion of the neck is described in terms of rotation, flexion, extension, and side bending (i.e., the motion used to touch the ear to the shoulder). The direction of the action can be ipsilateral, which refers to movement in the direction of the contracting muscle, or contralateral, which refers to movement away from the side of the contracting muscle. > >--- > ><div class="typewriter2"><p align="center"><font size=4>106</font> &nbsp; --- >[!cite|transcript]- Transcript >Rigor mortis results from the cessation of breathing and oxygen intake following death, which leads to the termination of aerobic respiration, the main process by which cells generate energy in the form of adenosine triphosphate (ATP). It is imperative you know where the muscle and sinew connect precisely, and how exactly they move; watch, and visualise the component parts coming together to form a whole. This is necessary in order to alter their configuration. > > ATP serves a critical role in muscle contraction by binding to a type of filament in muscle tissue known as myosin. Myosin and a second type of filament known as actin slide past one another to generate a muscle contraction. In order for this process to occur, globular headlike regions at the end of myosin filaments attach to binding sites on actin. > > When ATP attaches to myosin, the ATP molecule is hydrolyzed to form ADP, with the reaction simultaneously inducing a conformational change in myosin that allows the globular head region to release from actin. Myosin is then free to bind to a new site on actin for the generation of another muscle contraction. Therein the vital organs should be mapped no less than accurate in one's mind; how they function, to add to their number or replace them; to recognise each imperfection and misalignment in order to truly dictate where the body went astray. > > In rigor mortis and the absence of ATP, however, myosin is unable to change its conformation to dissociate from actin, and muscles remain in a contracted, stiffened state. Other chemical characteristics of rigor mortis include the accumulation of lactic acid in muscle tissue and postmortem leakage of calcium ions into the sarcomere, where myosin and actin filaments are located. > > Lactic acid is produced postmortem as still-living muscle cells switch from aerobic to anaerobic metabolism; as lactic acid builds up inside cells during rigor, it causes a decrease in pH levels. Each clench, flex, flutter and twitch need to be memorised as if it were your own. Calcium that leaks into the sarcomere binds to the muscle filaments, reinforcing their continued contraction, contributing to the onset and duration of rigor. Attempt to slip your fingers beneath the subject's skin, press with a firm hold to familiarise yourself the movement and feel of every surface inside and out, until you commit the entire subject to memory. he motion of the neck is described in terms of rotation, flexion, extension, and side bending (i.e., the motion used to touch the ear to the shoulder). The direction of the action can be ipsilateral, which refers to movement in the direction of the contracting muscle, or contralateral, which refers to movement away from the side of the contracting muscle.