camptocormia

noun
camp·​to·​cor·​mia | \ ˌkam(p)-tə-ˈkȯr-mē-ə How to pronounce camptocormia (audio) \

Medical Definition of camptocormia

: abnormal forward bending of the trunk during standing or walking that resolves in the supine position and may be of neurological, muscular, or psychological origin

called also bent spine syndrome