A comparative study of virtual hand prosthesis control using an inductive tongue control system

Daniel Johansen, Fredrik Sebelius, Stig Jensen, Bo Bentsen, Dejan B. Popović, Lotte N S Andreasen Struijk

Research output: Contribution to journalArticlepeer-review


This study compares the time required to activate a grasp or function of a hand prosthesis when using an electromyogram (EMG) based control scheme and when using a control scheme combining EMG and control signals from an inductive tongue control system (ITCS). Using a cross-over study design, 10 able-bodied subjects used a computer model of a hand and completed simulated grasping exercises. The time required to activate grasps was recorded and analyzed for both control schemes. End session mean activation times (ATs; seconds) for the EMG control scheme grasps 1 -5 were 0.80, 1.51, 1.95, 2.93, and 3.42; for the ITCS control scheme grasps 1 5 they were 1.19, 1.89, 1.75, 2.26, and 1.80. Mean AT for grasps 1 and 2 was statistically significant in favor of the EMG control scheme (p = 0.030; p = 0.004). For grasp 3 no statistical significance occurred, and for grasps 4 and 5 there was a statistical significance in favour of the ITCS control scheme (p = 0.048; p = 0.004). Based on the amount of training and the achieved level of performance, it is concluded that the proposed ITCS control scheme can be used as a means of enhancing prosthesis control.

Original languageEnglish
Pages (from-to)22-29
Number of pages8
JournalAssistive Technology
Issue number1
Publication statusPublished - 2016 Jan 2

Subject classification (UKÄ)

  • Biomedical Laboratory Science/Technology

Free keywords

  • Myoelectric control
  • Prosthesis control schemes
  • Upper limb prosthetics


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