Opposition space

Iberall et al. [1] define opposition space as "the area within the coordinates of the hand where opposing forces can be exerted between virtual finger surfaces in effecting a stable grasp." They have identified three types of opposition spaces, as shown below.

Reference

  1. T. Iberall, G. Bingham, and M.A. Arbib, "Opposition space as a structuring concept for the analysis of skilled hand movements," Experimental Brain Research Series 15 - Generation and Modulation of Action Patterns, eds. Heuer, H., and Fromm, C., Springer-Verlag, 1986, pp. 158- 173.