Motor control strategies during bimanual isometric force control among healthy individuals

Yan Jin, Minhee Kim, Sejun Oh, Bum Chul Yoon

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


This study aimed to provide a basic description of the motor control strategy during bimanual isometric force control in healthy young adults. Thirty healthy young adults (mean age: 27.4 ± 3.7 years) participated in the study. The subjects were instructed to press both hands simultaneously to match the target force level of 5%, 25%, and 50% bimanual maximum voluntary force using continuous visual feedback. Bimanual motor synergy and bimanual coordination, as well as force asymmetry, force accuracy, and force variability were compared. This study identified the specific motor control strategy of healthy young adults during bimanual isometric force control, indicating that they proportionally increased “good” and “bad” variabilities, resulting in comparable bimanual motor synergy as the target force level increased.

Original languageEnglish
Pages (from-to)127-136
Number of pages10
JournalAdaptive Behavior
Issue number2
Publication statusPublished - 2019 Apr 1

Bibliographical note

Funding Information:
The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This research was supported by a grant from the midlevel research project through the National Research Foundation of Korea (2017R1A2B4009720) funded by the Ministry of Health.

Publisher Copyright:
© The Author(s) 2019.


  • Bimanual motor synergy
  • bimanual force matching
  • uncontrolled manifold

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience


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