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Example of CRP calculation.28 The normalized phase plots (angular velocity vs. angular displacement) of elements 1 (A) and 2 (B) are used to calculate phase angles (C and D). Phase angles are then subtracted to calculate continuous relative phase of the 1 vs. 2 coupling. Coordination variability (deviation phase) is the standard deviation of CRP curves (E). HS = heel strike; V = vertical upright position; TO = toe-off; CRP = continuous relative phase.
