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Figure 1 | BMC Sports Science, Medicine and Rehabilitation

Figure 1

From: The free moment in walking and its change with foot rotation angle

Figure 1

Experimental procedures. White parallel lines placed over the walkway aided subjects in reproducing the foot rotation angle in the internal (INT) and external (EXT) conditions. The FM is depicted as acting vertically through the hypothetical location of the center of pressure at this time instant, and its direction is in accordance with the force plate coordinate system used in this investigation.

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