During the ending phase, the participant took off his or her hand from the clamp after finishing tasks but the clamp was still left in place, clamped to the wooden blocks. Therefore, peak clamping forces were obtained in the clamping and ending phases. Peak handlesqueezing forces were obtained in the clamping phase. Peak handle-squeezing force was also collected in the starting phase when using handle-squeezing method, while it was not obtainable when using bar-sliding method because the participant did not squeeze the handle, rather pulling the trigger and sliding the bar until the clamping phase