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Elasticity improves handgrip performance and user experience during visuomotor control.


ABSTRACT: Passive rehabilitation devices, providing motivation and feedback, potentially offer an automated and low-cost therapy method, and can be used as simple human-machine interfaces. Here, we ask whether there is any advantage for a hand-training device to be elastic, as opposed to rigid, in terms of performance and preference. To address this question, we have developed a highly sensitive and portable digital handgrip, promoting independent and repetitive rehabilitation of grasp function based around a novel elastic force and position sensing structure. A usability study was performed on 66 healthy subjects to assess the effect of elastic versus rigid handgrip control during various visuomotor tracking tasks. The results indicate that, for tasks relying either on feedforward or on feedback control, novice users perform significantly better with the elastic handgrip, compared with the rigid equivalent (11% relative improvement, 9-14% mean range; p?

SUBMITTER: Mace M 

PROVIDER: S-EPMC5367289 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Elasticity improves handgrip performance and user experience during visuomotor control.

Mace Michael M   Rinne Paul P   Liardon Jean-Luc JL   Uhomoibhi Catherine C   Bentley Paul P   Burdet Etienne E  

Royal Society open science 20170215 2


Passive rehabilitation devices, providing motivation and feedback, potentially offer an automated and low-cost therapy method, and can be used as simple human-machine interfaces. Here, we ask whether there is any advantage for a hand-training device to be elastic, as opposed to rigid, in terms of performance and preference. To address this question, we have developed a highly sensitive and portable digital handgrip, promoting independent and repetitive rehabilitation of grasp function based arou  ...[more]

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