Fig. 1From: Global Kalman filter approaches to estimate absolute angles of lower limb segmentsExperimental setup of a healthy person wearing the H2 exoskeleton, with passive BTS-markers (Optoelectronic system with reflexive markers from BTS Bioengineering, Italy) and inertial sensors. The inertial sensors and BTS-markers are attached to the exoskeleton using rigid platesBack to article page