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Accuracy across functional calibration movements (1. Tilted to stand, 2. Extension, 3. Squat, 4a. Walking (1 ± 0.1 m·s−1), 4b. Walking fast (1.5 ± 0.1 m·s−1), 4c. Walking slow (0.6 ± 0.1 m·s−1)). Error bars are the confidence interval means at 95%.
