Related Experiment Video
Updated: Aug 6, 2026
07:28
Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity
Published on: January 21, 2017
Reliability of Electrical Threshold Testing for Assessing Sensory, Motor and Pain Thresholds: An Exploratory Study in
Izarbe Ríos-Asín1, Elena Bueno-Gracia1, Isabel Albarova-Corral1
1PhysiUZerapy Health Sciences Research Group, Department of Physiatry and Nursing, Health Sciences Faculty, University of Zaragoza, 50009 Zaragoza, Spain.
Journal of Functional Morphology and Kinesiology
|July 24, 2026
Summary
Standardizing Electrical Threshold Testing (ETT) with three averaged trials enhances reliability for assessing sensorimotor impairments. This approach optimizes clinical efficiency for both intra- and interday measurements of electrical sensory, motor, and pain thresholds.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Sports Science
Background:
- Sensorimotor impairments frequently occur after sports injuries, impacting function and recovery.
- Quantitative sensory testing (QST) tools like Electrical Threshold Testing (ETT) offer objective assessment of sensory deficits, motor recruitment, and pain perception.
- Methodological inconsistencies, especially in the number of measurements, hinder reliable comparisons across ETT studies.
Purpose of the Study:
- To determine the optimal number of trials for reliable intra- and interday measurements of electrical sensory threshold (EST), electrical motor threshold (EMT), and electrical pain threshold (EPT).
- To establish methodological consistency for Electrical Threshold Testing (ETT) in active populations.
Main Methods:
- A repeated-measures study involving 14 active participants.
- Three electrical stimulation protocols (sensory, motor, pain) were administered, with five measurements per threshold.
- Intraclass correlation coefficients (ICCs) were used to analyze the reliability of averages from 1 to 5 measurements.
Main Results:
- Averaging multiple trials improved reliability for EST (intra- and interday) and EPT (intra- and interday).
- Excellent intraday reliability was observed for EMT, but interday stability was moderate.
- At least three averaged trials were necessary for reliable interday EPT measurements; single trials were insufficient for all thresholds.
Conclusions:
- A standardized protocol using three averaged trials for EST, EMT, and EPT provides an optimal balance of reliability and time efficiency for clinical use.
- This standardization can enhance clinical efficiency and support ETT's role in assessing sensorimotor impairments and monitoring treatment outcomes in active individuals.
