Fig. 1From: Improvement of three-dimensional motion sickness using a virtual reality simulator for robot-assisted surgery in undergraduate medical students: A prospective observational studyManipulation model. There are eight columns on the round table. Four columns are located at the center, and the other columns are placed on the perimeter of the round table. The figure shows “skill drill” training wherein a rubber band placed on the center projection is moved to the outer circumference and then back to the center column using the da Vinci instrumentsBack to article page