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Illustration of the arm used during acquisition (A) and on the retention (B), motor (C) and spatial (D) tests. The arm used and direction of movement is indicated by an arrow (bottom) and the goal movements (top) are displayed for the physical and observational practice groups. Note that the start position between the upper and lower arm in this task was 85°. RMSE means and SEs by test is provided in (E). (Redrawn from Gruetzmacher et al., 2011).
