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Figure 1.
A representation of the set up for serial reaching task. Participant stood facing an LED board with arms extended out in front to match hand height to one of three vertical targets. Kinematic representation of arm, trunk and leg segments were attained from markers attached to boney landmarks. Angular displacement and velocity at shoulder, hip and ankle were used to calculate relative phase (RP) to characterize postural coordination within two action goals, hand accuracy and postural stability.
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