Correlation between changes in the transverse relaxation time and electromyographic measurements of the superficial masseter and temporal muscles

Tsuyoshi Fujii, Satoshi Yamaguchi, Yul Wan Sung, Makoto Watanabe, Yoshinori Hattori

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We analyzed the correlations between the T2 shift and integrated electromyographic (iEMG) values in the masseter and temporal muscles. Six healthy adults engaged in a clenching task over two durations at various bite forces. We evaluated the mean T2 shift per voxel and assessed their correlations with iEMG using a linear mixed model. The regression coefficients were different for each muscle type, similar for the left and right sides, and decreased upon doubling duration.

Original languageEnglish
Pages (from-to)268-275
Number of pages8
JournalMagnetic Resonance in Medical Sciences
Volume19
Issue number3
DOIs
Publication statusPublished - 2020

Keywords

  • Electromyography
  • Magnetic resonance imaging
  • Masticatory muscle
  • Transverse relaxation time

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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