Evaluation of Control Interfaces for Active Trunk Support

Stergios Verros, Nauzef Mahmood, Laura Peeters, Joan Lobo-Prat, Arjen Bergsma, Edsko Hekman, Gijsbertus J. Verkerke, Bart Koopman

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)
23 Downloads (Pure)

Abstract

A feasibility study was performed to evaluate control interfaces for a novel trunk support assistive device (Trunk Drive) namely, joystick, force on sternum, force on feet and EMG (electromyography) to be used by adult men with Duchenne Muscular Dystrophy (DMD). The objective of this study was to evaluate the performance of the different control interfaces during a discrete position tracking task. We built a one degree of freedom flexion- extension active trunk support device that was tested on 10 healthy men. An experiment, based on Fitts law, was conducted whereby subjects were asked to steer a cursor representing the angle of the Trunk Drive into a target that was shown on a Graphical User Interface (GUI), using the control interfaces mentioned above. The users could operate the Trunk Drive via each of the control interfaces. In general, the joystick and force on sternum were the fastest in movement time (more than 40%) without any significant difference between them but there was a significant difference between force on sternum on the one hand, and EMG and force on feet on the other. All control interfaces proved to be feasible solutions for controlling an active trunk support, each of which had specific advantages.

Original languageEnglish
Article number8444737
Pages (from-to)1965-1974
Number of pages10
JournalIEEE transactions on neural systems and rehabilitation engineering
Volume26
Issue number10
DOIs
Publication statusPublished - 1 Oct 2018

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Sternum
Electromyography
Foot
Self-Help Devices
Duchenne Muscular Dystrophy
Feasibility Studies
Equipment and Supplies
Graphical user interfaces
Interfaces (computer)
Experiments

Keywords

  • Active Trunk Support
  • Bars
  • Biomechatronics
  • Control Interfaces
  • Electromyography
  • Force
  • Force measurement
  • Muscles
  • Sternum
  • Torque

Cite this

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abstract = "A feasibility study was performed to evaluate control interfaces for a novel trunk support assistive device (Trunk Drive) namely, joystick, force on sternum, force on feet and EMG (electromyography) to be used by adult men with Duchenne Muscular Dystrophy (DMD). The objective of this study was to evaluate the performance of the different control interfaces during a discrete position tracking task. We built a one degree of freedom flexion- extension active trunk support device that was tested on 10 healthy men. An experiment, based on Fitts law, was conducted whereby subjects were asked to steer a cursor representing the angle of the Trunk Drive into a target that was shown on a Graphical User Interface (GUI), using the control interfaces mentioned above. The users could operate the Trunk Drive via each of the control interfaces. In general, the joystick and force on sternum were the fastest in movement time (more than 40{\%}) without any significant difference between them but there was a significant difference between force on sternum on the one hand, and EMG and force on feet on the other. All control interfaces proved to be feasible solutions for controlling an active trunk support, each of which had specific advantages.",
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Evaluation of Control Interfaces for Active Trunk Support. / Verros, Stergios; Mahmood, Nauzef; Peeters, Laura; Lobo-Prat, Joan; Bergsma, Arjen; Hekman, Edsko; Verkerke, Gijsbertus J.; Koopman, Bart.

In: IEEE transactions on neural systems and rehabilitation engineering, Vol. 26, No. 10, 8444737, 01.10.2018, p. 1965-1974.

Research output: Contribution to journalArticleAcademicpeer-review

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