Spinal curvatures (IMAGE) New York University Caption Contributions to curvature of the modern human spine. Wedging of the vertebral bodies and intervertebral discs results in thoracic kypohsis and lumbar lordosis. Credit Image courtesy of Scott Williams, NYU’s Department of Anthropology. Usage Restrictions In conjunction with this study only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.