The VCWS 8 system (VALPAR International Corporation, Tucson, Arizona, U.S.A.) simulates light work and is used to evaluate manual dexterity and motor coordination [32]. The wheel of the VCWS 8 turns counterclockwise at a constant speed, and the participants are tasked with completing as many three-part assemblies (one pin and two spacers) in 20 min. In the current study, the number of correct assemblies was counted by means of a video recording of the task made using a digital camera.
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