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. Author manuscript; available in PMC: 2007 Jun 1.
Published in final edited form as: Clin Neurophysiol. 2007 Jan 3;118(3):525–537. doi: 10.1016/j.clinph.2006.11.014

Figure 1b. Experimental set-up for the Balance task.

Figure 1b

The subject sat on a chair with an unstable base. Both hands grasped handles on the table in front of them. Push (pull) forces on the right side countered pull (push) forces on the left, producing positive (negative) moments of force about the x-axis (dashed line) of transducer-1, thereby stabilizing the subject on the chair.