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. Author manuscript; available in PMC: 2013 Jul 25.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2011;2011:5807–5810. doi: 10.1109/IEMBS.2011.6091437

Figure 3.

Figure 3

Z-force weight-support contribution of robot: mean Z-force. A. Z-direction force of the control group. B. Z-direction force of the conventional stimulation group. C. Z-direction force of the robot-driven stimulation group. Significant trend downward in robot contribution is seen only in C. Mean levels in A and B differ significantly. The final mean level of Z is lowest in C, using robot driven epidural spinal stimulation.