Scientists also call this disease "Stone Man Syndrome", because this terrible disease will make human bones develop in an abnormal direction. First, the toes will become deformed, then the neck, spine and shoulders, and finally the muscles will gradually disappear and ossify, and gradually turn into a bony person. In other words, more and more bones will pile up outside the patient's bones, and finally the human body will be rigid and fixed-either U-shaped, arms folded, legs folded, or legs standing in a herringbone shape. As a result, like a stone man, he can't do sports anymore.

This disease does not affect people's intelligence and cognitive ability, so patients will clearly realize their own tragedy and die slowly in the suffering and pain of tragedy. Sandy Lee, who lives in Apple Valley, California, USA, is another victim of progressive muscle ossification. At the age of 49, she has been lying motionless in bed for 20 years. She said gloomily, "I am like a piece of wood, and I can't bend anywhere from head to toe." To her dismay, someone even regarded her as a mannequin. Therefore, Frederic Kahlan, a plastic surgeon at the University of Pennsylvania and an expert on progressive muscle ossification, believes that "this is the most cruel disease, and it completely imprisons patients." "It deprives us of many things that we take for granted-dressing, eating, even chewing and going to the toilet."

Weird: Any push will grow bones.

People with this disease are usually vulnerable. Like the glass men, their joints swell like balloons when touched, and then the next step is to grow new bones.

Vincent Whelan, 18 years old, is the key protected object in the class. Whelan comes from Fresno, the central city of California, USA. He recalled the first time he encountered this disease and said that he was only 9 years old at that time. That day, he went to grandpa's swimming pool and suddenly felt his leg hurt and he couldn't swim. Fortunately, his grandfather saved him in time. Since then, his foot has been lame. At first, my parents thought that Whelan was just cramping her legs and feet, but the doctor told them that Whelan had progressive muscle ossification.

A year later, the mother suddenly found that one side of her son's spine grew a protrusion like apricot bark. Later, the protrusion became bigger and bigger, and even grew into a "hump". Finally, although the "hump" disappeared, it left a bunch of thorns, which caused Whelan's arm to lose its mobility. Slowly, Whelan's neck became petrified and stiff. Whelan, who has become a freshman, lives a completely different life from other students. His dormitory is full of auxiliary machinery, people who take things, wear socks and comb their hair and wash their hair. His classmates were also told that it is forbidden to push or arch him, because any form of collision may cause a certain part of his body to bulge out, as small as a tooth or vaccine pox, as big as a joint bulge, and then expand into a new bone like blowing, which is very painful.