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Figure 3 | Journal of NeuroEngineering and Rehabilitation

Figure 3

From: Does visual feedback during walking result in similar improvements in trunk control for young and older healthy adults?

Figure 3

Exemplar PSD for the AP position of the lumbar marker during a walking trial on the treadmill for one trial for a single subject. The peak at approximately 1 Hz is the frequency of the gait cycle and the peaks at approximately 2, 3, and 4 Hz are subsequent harmonics. The dashed line marks the frequency (0.7 Hz) separating the frequency bands designated as below the gait cycle and including/above the gait cycle.

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