SINTEF Medical Technology is a research institute located in Trondheim, Norway, who collaborates on several projects on the topic of threedimensional ultrasound for musculoskeletal diagnosis (2010 – present). The collaboration started with Gabrielle working at their lab as visiting researcher in 2010, which was followed by visits of Aimee Kok and Bente de Lat. Their Custus X navigation software is a key product used in our research.