Validity and reliability of video analysis to evaluate ankle proprioceptive reintegration during postural control

The ability to dynamically reintegrate proprioceptive signals after they have been perturbated is impaired in certain pathologies. Evaluation of proprioceptive reintegration is useful for clinical practice but currently requires expensive laboratory tools. We developed a simple method, accessible to...

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Bibliographic Details
Published in:Gait & posture 2022-01, Vol.91, p.155-160
Main Authors: Picot, Brice, Dury, Jeanne, Néron, Guillaume, Samozino, Pierre, Terrier, Romain, Rémy-Neris, Olivier, Forestier, Nicolas
Format: Article
Language:English
Subjects:
Ankle
Ankle proprioception
Humans
Life Sciences
Muscle vibration
Neurons and Cognition
Postural Balance
Posture
Proprioception
Psychology and behavior
Reliability
Reproducibility of Results
Sensory reweighting
Video analysis
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Summary:The ability to dynamically reintegrate proprioceptive signals after they have been perturbated is impaired in certain pathologies. Evaluation of proprioceptive reintegration is useful for clinical practice but currently requires expensive laboratory tools. We developed a simple method, accessible to clinicians. Research question: Is two-dimensional (2D) video analysis of earlobe displacement a valid and reliable tool for the evaluation of ankle proprioceptive reintegration following muscle vibration? Thirty-eight healthy individuals underwent vibration of the triceps surae while standing on a force plate (FP). Anterior (sagittal plane) earlobe displacement (‘overshoot’) was recorded at vibration cessation using 2D video analysis and rated by 3 blind examiners. Correlation analysis was performed between earlobe and center of pressure displacement (dCoP, recorded with the FP) to determine validity. Intra and interrater reliability were determined by calculation of the intraclass correlation coefficient (ICC), change in the mean (CiM), standard error of measurement (SEM) and the minimal detectable change (MDC). Strong positive correlations (r = 0.82–0.94, p 
ISSN:0966-6362
1879-2219
DOI:10.1016/j.gaitpost.2021.10.022