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. 2015 Oct 21;7:201. doi: 10.3389/fnagi.2015.00201

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Copyright © 2015 Dijkstra, Horak, Kamsma and Peterson.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Forward and backward compensatory step performance. Center of mass displacement (CoM) in the anteroposterior direction for healthy young and healthy older adults during compensatory backward (A) and forward (B) stepping are displayed for the motor training (block 1: B1–block 2: B2) and the retention test on day 2 (D2). Number of steps are displayed for young and older adults during compensatory backward (C) and forward (D) stepping are displayed for the motor training and the retention test on day 2. Values are represented as group mean with SE.