Fig. 2

Bowknot task (BKT). a. The BKT was used in the evaluation of bilateral manual dexterity during prosthetic use. The BKT kit consisted of a box (20 cm × 10 cm × 15 cm) with five 15-cm-long shoelaces on each side. b. The participants stood in front of the box placed on a stable table and knotted the five shoelaces as fast as possible from far to near with the left-hand hook and normal right hand. The BKT score was the time need to the five shoelaces