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. Author manuscript; available in PMC: 2010 Mar 30.
Published in final edited form as: Exp Brain Res. 2005 May 24;165(1):69–83. doi: 10.1007/s00221-005-2282-1

Fig. 11.

Fig. 11

Normal forces of the thumb and VF measured at the instances when the handle acceleration equaled zero. A representative example. VH manipulation; frequency 2.5 Hz, load 3.8 N. The range of cycle-to-cycle force variation is approximately 1.5 N