Effect of finger motion on transverse median nerve movement in the carpal tunnel

Hyo Jung Kang, Joon Shik Yoon

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Introduction: We used ultrasonography (US) to investigate the effects of finger motion on movement of the median nerve in patients with carpal tunnel syndrome (CTS) and the correlation between these US parameters and CTS severity. Methods: Ultrasonographic measures were performed in 23 control wrists and 22 CTS wrists in women. During first through third finger flexion and grip motion, median nerve movements were obtained using US and a tracing program. Results: Nerve movements during third finger flexion in the dorsopalmar axis and grip motion in both axes, and during second finger flexion in the radioulnar axis, differed significantly between the control and CTS groups. US parameters correlated negatively with cross-sectional area. Conclusions: This study shows that transverse median nerve movements decreased during grip using US and correlated negatively with CTS severity. Muscle Nerve, 2016 Muscle Nerve 54: –, 2016 Muscle Nerve 54: 738–742, 2016.

Original languageEnglish
Pages (from-to)738-742
Number of pages5
JournalMuscle and Nerve
Issue number4
Publication statusPublished - 2016 Oct 1
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 Wiley Periodicals, Inc.


  • carpal tunnel syndrome
  • finger motion
  • median nerve
  • nerve conduction study
  • severity
  • ultrasonography

ASJC Scopus subject areas

  • Physiology
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)


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