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Vibration testing: Optimising methods to improve reliability

Vibration testing: Optimising methods to improve reliability

Muscle and Nerve 2018

This study aimed to assess the test-retest reliability of a Rydel-Seiffer tuning fork and an electronic vibrameter with hand-held and fixed probes. Fifty healthy volunteers were assessed twice in the upper and lower limb 15 minutes apart. Reliability was assessed by intraclass correlation coefficients (ICC) and standard error of measurement (SEM). The effect of stimulus parameters on vibration disappearance threshold (VDT) was assessed by analysis of variance. All three tools showed good reliability (ICCs=0.65-0.95). Vibrameter recordings with the fixed probe showed high variability. The vibrameter was more sensitive in detecting body site and age differences in vibration thresholds than the tuning fork. Significantly higher VDT was observed when higher starting amplitudes and slower rates of change were used. The hand-held vibrameter is a superior tool to monitor vibration sense. The stimulus amplitude and rate of change are important to control as they alter VDT. This article is protected by copyright. All rights reserved.

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Accession: 065969440

Download citation: RISBibTeXText

PMID: 30390398

DOI: 10.1002/mus.26373

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