Relationship between muscular activity and postural control changes after proprioceptive focal stimulation (Equistasi®) in middle-moderate parkinson’s disease patients: An explorative study

Fabiola Spolaor, Marco Romanato, Guiotto Annamaria, Antonella Peppe, Leila Bakdounes, Duc Khanh To, Daniele Volpe, Zimi Sawacha

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of this study was to investigate the effects of Equistasi®, a wearable device, on the relationship between muscular activity and postural control changes in a sample of 25 Parkinson’s disease (PD) subjects. Gait analysis was carried out through a six-cameras stereophotogrammetric system synchronized with two force plates, an eight-channel surface electromyographic system, recording the activity of four muscles bilaterally: Rectus femoris, tibialis anterior (TA), biceps femoris, and gastrocnemius lateralis (GL). The peak of the envelope (PoE) and its occurrence within the gait cycle (position of the peak of the envelope, PPoE) were calculated. Frequency-domain posturographic parameters were extracted while standing still on a force plate in eyes open and closed conditions for 60 s. After the treatment with Equistasi®, the mid-low (0.5–0.75) Hz and mid-high (0.75–1 Hz) components associated with the vestibular and somatosensory systems, PoE and PPoE, displayed a shift toward the values registered on the controls. Furthermore, a correlation was found between changes in proprioception (power spectrum frequencies during the Romberg Test) and the activity of GL, BF (PoE), and TA (PPoE). Results of this study could provide a quantitative estimation of the effects of a neurorehabilitation device on the peripheral and central nervous system in PD.

Original languageEnglish
Article number560
Pages (from-to)1-15
Number of pages15
JournalSensors (Switzerland)
Volume21
Issue number2
DOIs
Publication statusPublished - Jan 2 2021

Keywords

  • Balance assessment
  • Gait analysis
  • Neurorehabilitation device
  • Parkinson’s disease
  • Surface electromyography
  • Wearable focal mechanical vibrations device

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Electrical and Electronic Engineering

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