Virtual Reality Environment for the Validation of Bone Fracture Reduction Processes Topics: Augmented, Mixed and Virtual Environments; Games for Education and Training; Human Performance and Usability of Virtual Environments; Simulation for Education and Training In Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 0VISIGRAPP, 399-405, 2020 , Valletta, Malta