Electromyographic activity of human masticatory muscles in normal young people. Statistical evaluation of reference values for clinical applications

Antonio D'Addona, Elena Ricci Barbini, V. F. Ferrario, C. Sforza, A. Miani Jr, A. D'Addona, E. Barbini

Risultato della ricerca: Contributo in rivistaArticolo in rivista

92 Citazioni (Scopus)

Abstract

Electromyographic activity of anterior temporal and masseter muscles was measured in 92 young healthy men and women with sound dentitions during rest position, contact in centric occlusion and clench. Male and female mean potentials were similar except in clench, where males had higher electromyographic levels. Mean pooled electromyographic potentials were 1.9 microV (TA) and 1.4 microV (MM) during rest position, 6.5 microV (TA) and 2.8 microV (MM) during contact in centric occlusion. Mean maximum voluntary clench potentials were 181.9 microV (TA) and 216.2 microV (MM) in men, 161.7 microV (TA) and 156.8 microV (MM) in women. Examined muscles were more asymmetric at low electromyographic activity (rest and centric occlusion) with the temporal muscle less asymmetrical than the masseter. In females temporal muscle activity tended to dominate at every contraction level, while in males masseter activity was stronger in clench, and temporal activity in centric occlusion and in rest position.
Lingua originaleEnglish
pagine (da-a)271-280
Numero di pagine10
RivistaJournal of Oral Rehabilitation
Volume20
Stato di pubblicazionePubblicato - 1993

Keywords

  • Adult
  • Bite Force
  • Electromyography
  • Female
  • Humans
  • Male
  • Masseter Muscle
  • Masticatory Muscles
  • Muscle Contraction
  • Reference Values
  • Sex Factors
  • Temporal Muscle
  • Temporomandibular Joint

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