Temporal stability of paraspinal electromyographic recordings in low back pain and non-pain subjects

John G. Arena, Richard A. Sherman, Glenda M. Bruno, Timothy R Young

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

This paper presents the results of two studies in which bilateral surface EMG recordings of paraspinal muscle tension were measured in 29 lower back pain and 20 normal subjects in 6 different positions (standing, bending from the waist, rising, sitting with back supported, sitting unsupported, prone) on two occasions, and a comparison of the data from both studies. Measures were highly reliable when examined using analysis of variance procedures. Statistically significant reliability coefficients were obtained when the absolute values of the measures were examined, although in some instances less than 20% of the variance was explained. When examined as relative [percent change from baseline (prone) condition] values, differences between the two groups were observed: the normals were statistically more reliable than lower back pain subjects during every condition. Implications for clinical work and both basic and applied research are discussed.

Original languageEnglish (US)
Pages (from-to)31-37
Number of pages7
JournalInternational Journal of Psychophysiology
Volume9
Issue number1
DOIs
StatePublished - Jan 1 1990

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Low Back Pain
Paraspinal Muscles
Muscle Tonus
Analysis of Variance
Research

Keywords

  • Electromyogram
  • Man
  • Non-pain
  • Pain
  • Paraspinal recording
  • Reliability

ASJC Scopus subject areas

  • Neuroscience(all)
  • Neuropsychology and Physiological Psychology
  • Physiology (medical)

Cite this

Temporal stability of paraspinal electromyographic recordings in low back pain and non-pain subjects. / Arena, John G.; Sherman, Richard A.; Bruno, Glenda M.; Young, Timothy R.

In: International Journal of Psychophysiology, Vol. 9, No. 1, 01.01.1990, p. 31-37.

Research output: Contribution to journalArticle

Arena, John G. ; Sherman, Richard A. ; Bruno, Glenda M. ; Young, Timothy R. / Temporal stability of paraspinal electromyographic recordings in low back pain and non-pain subjects. In: International Journal of Psychophysiology. 1990 ; Vol. 9, No. 1. pp. 31-37.
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