Fig. 2From: Interaction between position sense and force control in bimanual tasksProtocol for Experiment 1. a Starting position for the Experiment 1. Every trial started with the handles placed in contact with the base plane. b Target positions placed respectively 0.15 m, 0.30 m and 0.45 m above the staring position. The target position was displayed on the screen with a horizontal red line that the subjects had to match bilaterally with the bottom surface of the handle’s plate, which was in contact with their thumb and index fingers. c Visual description of the four loading conditions presented during the Experiment 1Back to article page