Acceptable maximum effort (AME) a psychophysical measure of strength in back pain patients

Tarek M. Khalil, Myron L. Goldberg, Shihab S. Asfour, Elsayed A. Moty, Renee S. Rosomoff, Hubert L. Rosomoff

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

A new quantitative method for measuring functional abilities of chronic low-back pain patients is introduced. The method is based upon a psychophysical model referred to as acceptable maximum effort (AME). AME is the highest level of voluntary effort that a person can achieve without inducing unacceptable pain. In the current study, the AME method was applied to strength measurement. By use of a static strength measurement procedure, arm, leg, shoulder, back, and composite strengths were assessed upon admission to and discharge from a 4-week, nonsurgical comprehensive pain treatment program. The reliability of the AME method for each strength measure was assessed. In addition, the method was used to evaluate pre to post-treatment changes in strength. Results indicate the AME method to be highly reliable and useful in determining treatment outcome. Reliability coefficients for all strength measures were above .90. The results are discussed in terms of their implications for standardized functional ability measurement in the area of chronic pain.

Original languageEnglish (US)
Pages (from-to)372-376
Number of pages5
JournalSPINE
Volume12
Issue number4
DOIs
StatePublished - May 1987

Keywords

  • Functional ability
  • Low-back pain
  • Measurement
  • Psychophysical method
  • Treatment outcome

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Clinical Neurology

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    Khalil, T. M., Goldberg, M. L., Asfour, S. S., Moty, E. A., Rosomoff, R. S., & Rosomoff, H. L. (1987). Acceptable maximum effort (AME) a psychophysical measure of strength in back pain patients. SPINE, 12(4), 372-376. https://doi.org/10.1097/00007632-198705000-00012