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. 2014 Apr 16;14(4):6891–6909. doi: 10.3390/s140406891

Figure 9.

Figure 9.

Comparison of the two IMU-based ankle plantar/dorsiflexion angle measurements (αacc+gyr+mag(t) and αacc+gyr(t)) with the result (αopt(t)) of an optical gait analysis system. Both on the prosthesis side and on the contralateral side, the deviation is about 1°.