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Figure 1.Experimental setup. Arm Coordination Training 3D system* provided haptic interface to simulate various loading conditions while subjects performed arm reaching movements with avatar and game feedback. *Sukal TM, Ellis MD, Dewald JP. Shoulder abduction-induced reductions in reaching work area following hemiparetic stroke: Neuroscientific implications. Exp Brain Res. 2007;183(2):215–23.[PMID: 17634933]DOI:10.1007/s00221-007-1029-6. Acosta AM, Dewald HA, Dewald JPA. Pilot study to test effectiveness of video game on reaching performance in stroke. J Rehabil Res Dev. 2011;48(4):431-44.DOI:10.1682/JRRD.2010.04.0052