Combination X-Ray Video and 3-D Reconstruction of Ostrich Double Kneecap (video) Society for Experimental Biology Share Print E-Mail Loading video... Caption Combination of the X-ray video and the 3-D reconstrcution of the ostrich double kneecap. Credit Ms Sophie Regnault Usage Restrictions Video only to be used with credit. Share Print E-Mail 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.