Radial Nerve F-wave reference values with surface electrodes from the anconeus muscle

Arens Taga, Giuseppina Poma, Luigi Cattaneo, Elena Saccani, Stefano Tinchelli, Giovanni Pavesi

Research output: Contribution to journalArticlepeer-review


Introduction: We sought to obtain normative values for radial nerve F-wave variables, recording with surface electrodes from the anconeus muscle. Methods: We tested 30 healthy participants (17 women, 13 men) and measured the following variables: number of F waves/40 traces (F%); minimum, maximum, and mean F-wave latency (FMIN, FMAX, FMED, respectively); F-wave chronodispersion (FCHR); interside differences of F% and FMIN (DF% and DFMIN, respectively). Results: The mean F% was 41.3%; the normative values of FMIN, FMED, FMAX, and FCHR were < 21.2, <22.1, <23.3, and < 4.0 ms, respectively; and normative values of DF% and DFMIN were < 16.6% and < 1.1 ms, respectively. Height was the sole independent predictor in a regression model of FMIN, FMED, and FMAX; this explained 37%–44% of the variability. Discussion: We identified a feasible and useful technique to record radial nerve F waves from the anconeus muscle and obtained normative values of F-wave variables. Muscle Nerve, 2018.

Original languageEnglish
JournalMuscle and Nerve
Publication statusAccepted/In press - Jan 1 2018
Externally publishedYes


  • anconeus muscle
  • F wave
  • normative values
  • radial nerve
  • radiculopathy
  • surface recording

ASJC Scopus subject areas

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


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