Virtual Exertions: Evoking the Sense of Exerting Forces in Virtual Reality Using Gestures and Muscle Activity
HUMAN FACTORS, 57(4), 658–673.
author keywords: simulation and virtual reality; electromyography (EMG); forces and moments; computer interface; virtual environments
MeSH headings : Adult; Electromyography; Female; Gestures; Hand Strength / physiology; Humans; Lifting; Male; Muscle Fatigue / physiology; Muscle, Skeletal / physiology; Physical Exertion / physiology; Task Performance and Analysis; User-Computer Interface; Young Adult
TL;DR:
Perceived exertion levels and muscle activity patterns corresponded to the assigned virtual loads, which supported the hypothesis that the method evoked the perception of physical exertions and showed the method was promising.
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Objective: This study was a proof of concept for virtual exertions, a novel method that involves the use of body tracking and electromyography for grasping and moving projections of objects in virtual reality (VR). The user views objects in his or her hands during rehearsed co-contractions of the same agonist-antagonist muscles normally used for the desired activities to suggest exerting forces.