Ulnar motor study to first dorsal interosseous

Best reference electrode position and normative data

Ralph M. Buschbacher, Ozun Bayindir, James Malec, Gulseren Akyuz

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Introduction: Reference electrode position affects nerve conduction study results. This study was undertaken to determine the optimal reference electrode position for ulnar motor recording from the first dorsal interosseous (FDI) muscle and to develop normative data. Methods: Fifty-one subjects were tested using reference electrode positions on the thumb, index, and little fingers. Latencies were compared with a needle recording from the FDI. Analysis was performed to determine the surface placement that most closely matched the needle recording latency. A normative database was then derived on 100 healthy subjects. Results: Placing the reference electrode on the thumb yielded results closest to the "gold standard" needle recording latency. The 97th percentile (upper limit of normal) for latency was 4.0 ms. The 3rd percentile values (lower limit of normal) for amplitude were 9.0 mV for men and 9.3 mV for women. Conclusions: The reference position on the thumb yields latencies that most closely approximate needle recording. Normative data are presented.

Original languageEnglish
Pages (from-to)231-233
Number of pages3
JournalMuscle and Nerve
Volume52
Issue number2
DOIs
StatePublished - Aug 1 2015

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Needles
Thumb
Electrodes
Neural Conduction
Fingers
Healthy Volunteers
Databases
Muscles

Keywords

  • Deep palmar branch of the ulnar nerve
  • Electrodiagnosis
  • First dorsal interosseous muscle
  • Nerve conduction study
  • Ulnar nerve

ASJC Scopus subject areas

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

Cite this

Ulnar motor study to first dorsal interosseous : Best reference electrode position and normative data. / Buschbacher, Ralph M.; Bayindir, Ozun; Malec, James; Akyuz, Gulseren.

In: Muscle and Nerve, Vol. 52, No. 2, 01.08.2015, p. 231-233.

Research output: Contribution to journalArticle

Buschbacher, Ralph M. ; Bayindir, Ozun ; Malec, James ; Akyuz, Gulseren. / Ulnar motor study to first dorsal interosseous : Best reference electrode position and normative data. In: Muscle and Nerve. 2015 ; Vol. 52, No. 2. pp. 231-233.
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