FIGURE 4.

Sample movements to the 0° target. (A) Movement plots for the right and left arms. Both limbs tend to make more curved movements to this target than to the −45° target, however, dominant arm movements still tend to be slightly straighter at this target. The nondominant hand shows a notable undershoot in the initial direction, while dominant paths tend to be directed at the target or slightly above it. (B) Net torques at the elbow and shoulder joints. Vertical lines denote the time of peak torque incidence.