Reliability of indices of neuromuscular leg performance in end-stage renal failure

N P Gleeson, P F Naish, Elizabeth Horton, T H Mercer

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The purpose of this study was to examine the day-to-day reproducibility and single measurement reliability of peak force, time to half peak force and rate of force development indices of knee extension neuromuscular performance in patients with end-stage renal failure. Eleven self-selected patients (6 men, 5 women) receiving maintenance dialysis (dialysis history 67 +/- 42.8 month) completed 3 inter-day assessment sessions. Each comprised a standardized warm-up and 3 intermittent static maximal voluntary actions of the knee extensors of the preferred limb (45 degrees knee flexion angle [0 degrees = full knee extension]) using a specially-constructed dynamometer. Repeated measures ANOVA of coefficient of variation scores revealed significant differences between indices in their reproducibility across day-to-day trials. Post-hoc comparisons of group mean scores suggested that peak force (6.6 +/- 3.0%) offers significantly greater measurement reproducibility than time to half peak force (16.8 +/- 9.5%) or rate of force development (20.3 +/- 12.1%). Intraclass correlation coefficients and standard error of measurement scores showed that single-trial assessments of peak force, time to half peak force and rate of force development would demonstrate limited precision and capability to discriminate subtle intra-subject or inter-subject changes in neuromuscular performance.

Original languageEnglish
Pages (from-to)273-277
Number of pages5
JournalJournal of Rehabilitation Medicine
Volume34
Issue number6
DOIs
Publication statusPublished - Nov 2002
Externally publishedYes

Keywords

  • Adult
  • Aged
  • Analysis of Variance
  • Female
  • Humans
  • Kidney Failure, Chronic
  • Knee Joint
  • Leg
  • Male
  • Middle Aged
  • Neuromuscular Diseases
  • Renal Dialysis
  • Reproducibility of Results
  • Journal Article
  • Research Support, Non-U.S. Gov't

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