I just pre­sented 2 papers at the 2015 ACM Spatial User Interaction Symposium in LA. Below are ref­er­ences & a simple video record­ing for those who couldn’t make it down to LA. 

Kruijff, E., Riecke, B. E., Trepkowski, C., & Kitson, A. (2015). Upper Body Leaning can affect Forward Self-Motion Perception in Virtual Environments (pp. 103–112). Presented at the SUI ’15: Symposium on Spatial User Interaction, Los Angeles, CA, USA: ACM. doi:10.1145/2788940.2788943, http://dl.acm.org/citation.cfm?id=2788943 

https://youtu.be/kZUkhI2UI7s 

Kitson, A., Riecke, B. E., Hashemian, A. M., & Neustaedter, C. (2015). NaviChair: an embod­ied inter­face to nav­i­gate vir­tual real­ity (pp. 123–126). Presented at the SUI ’15: Symposium on Spatial User Interaction, Los Angeles, CA, USA: ACM. doi:10.1145/2788940.2788956, see http://dl.acm.org/citation.cfm?id=2788940.2788956 for the full paper