Electromyographic fatigue thresholds of the superficial muscles of the quadriceps femoris

Terry J. Housh, Herbert A. deVries, Glen O. Johnson, Dona J. Housh, Sharon A. Evans, Jeffrey R. Stout, Tammy K. Evetovich, Roxanna M. Bradway

Research output: Contribution to journalArticlepeer-review

47 Scopus citations


The purpose of this investigation was to compare the thresholds of neuromuscular fatigue determined simultaneously from the vastus lateralis (VL), vastus medialis (VM) and rectus femoris (RF) muscles using the electromyographic fatigue threshold (EMGFT) test, Eight adult volunteers [mean (SD) age, 33 (10) years] served as subjects for this investigation. The results of a one-way repeated measured ANOVA indicated that there was a significant (P < 0.05) difference among the mean EMGFT values for the VL [248(31)W], VM [223(43)W] and RF [220(30)W] muscles. Tukey post-hoc comparisons indicated that the EMGFT for the RF was significantly (P < 0.05) lower than that of the VL. These findings suggested that during cycle ergometry there is a dissociation in neuromuscular fatigue characteristics of the superficial muscles of the quadriceps femoris group.

Original languageEnglish (US)
Pages (from-to)131-136
Number of pages6
JournalEuropean Journal of Applied Physiology and Occupational Physiology
Issue number2-3
StatePublished - Mar 1995


  • Electromyography
  • Neuromuscular fatigue

ASJC Scopus subject areas

  • Physiology
  • Public Health, Environmental and Occupational Health


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