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Visualization of the first eight principal movements (PM1–8) analyzed from unipedal balancing on a multiaxial unstable platform. Note: Gray and black lines/dots show the extreme postures in opposite directions. For higher-order movement components, the movement amplitude was artificially amplified for a better visualization, using the amplifications 1× for PM1–2, 2× for PM3–4, 3× for PM5–6, and 4× for PM7–8.
