New advances in mechanomyography sensor technology and signal processing: Validity and intrarater reliability of recordings from muscle.
Rehabilitation
electromyography
mechanomyography
rehabilitation devices
sensor design
sensors/sensor applications
upper-limb
Journal
Journal of rehabilitation and assistive technologies engineering
ISSN: 2055-6683
Titre abrégé: J Rehabil Assist Technol Eng
Pays: England
ID NLM: 101671667
Informations de publication
Date de publication:
Historique:
received:
11
01
2019
accepted:
17
02
2020
entrez:
22
4
2020
pubmed:
22
4
2020
medline:
22
4
2020
Statut:
epublish
Résumé
The Mechanical Muscle Activity with Real-time Kinematics project aims to develop a device incorporating wearable sensors for arm rehabilitation following stroke. These will record kinematic activity using inertial measurement units and mechanical muscle activity. The gold standard for measuring muscle activity is electromyography; however, mechanomyography offers an appropriate alterative for our home-based rehabilitation device. We have patent filed a new laboratory-tested device that combines an inertial measurement unit with mechanomyography. We report on the validity and reliability of the mechanomyography against electromyography sensors. In 18 healthy adults (27-82 years), mechanomyography and electromyography recordings were taken from the forearm flexor and extensor muscles during voluntary contractions. Isometric contractions were performed at different percentages of maximal force to examine the validity of mechanomyography. Root-mean-square of mechanomyography and electromyography was measured during 1 s epocs of isometric flexion and extension. Dynamic contractions were recorded during a tracking task on two days, one week apart, to examine reliability of muscle onset timing. Reliability of mechanomyography onset was high (intraclass correlation coefficient = 0.78) and was comparable with electromyography (intraclass correlation coefficient = 0.79). The correlation between force and mechanomyography was high (R The mechanomyography device records valid and reliable signals of mechanical muscle activity on different days.
Identifiants
pubmed: 32313684
doi: 10.1177/2055668320916116
pii: 10.1177_2055668320916116
pmc: PMC7153181
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2055668320916116Informations de copyright
© The Author(s) 2020.
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