translation.en: It's a genetic disorder, and it involves a twisting motion, and these children get progressively more and more twisting until they can't breathe, until they get sores, urinary infections, and then they die.
translation.zh: 它是遗传疾病，会有扭曲的动作， 这些儿童会越来越扭曲 直到不能呼吸，直到觉得病痛， 泌尿系统感染，最终走向死亡。