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

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

Research output: Contribution to journalJournal articleResearchpeer-review

4 Citations (Scopus)


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
JournalAssistive Technology
Issue number1
Pages (from-to)22-29
Publication statusPublished - 2016


  • myoelectric control
  • prosthesis control schemes
  • upper limb prosthetics


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