Motor control strategies during bimanual isometric force control among healthy individuals

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

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
Volume27
Issue number2
DOIs
Publication statusPublished - 2019 Apr 1

Keywords

  • bimanual force matching
  • Bimanual motor synergy
  • uncontrolled manifold

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience

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