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Figure 3 | BioMedical Engineering OnLine

Figure 3

From: Estimation of pelvis kinematics in level walking based on a single inertial sensor positioned close to the sacrum: validation on healthy subjects with stereophotogrammetric system

Figure 3

F4A versus GA: intra-subject repeatability. Pelvic angles about the three axes provided by F4A sensor (blue lines) as the mean of all the gait cycles detected, and by the GA system (red lines), expressed in the laboratory reference frame; for both, 10 repetitions of the right leg are superimposed, for the same representative subject. Just for this comparison, static angles were not added to F4A data.

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