contracture
noun [ C or U ] medical specialized uk/kənˈtræk.tʃər/ us/kənˈtræk.tʃɚ/
挛缩
a muscle or other tissue that has become permanently shorter causing a body part, especially a joint, to be the wrong shape, or the process in which this happens
joint/muscle contracture 关节／肌肉挛缩