Camptocormia is a condition characterized by severe frontal flexion of the spinal cord and knees, with passive drooping of both arms. It occurs as a form of conversion disorder. Some cases are associated with behavioral problems. A case of camptocormia of 2-year duration in a south Indian adolescent girl with oppositional defiant disorder and moderate mental retardation is reported. J. Am. Acad. Child Adolesc. Psychiatry, 2004;43(9):1168-1170. Key Words: camptocormia, conversion, oppositional defiant disorder.