Smartphone-assisted monitoring of masticatory muscle activity in freely moving individuals

Objectives To test a smartphone-assisted wireless device for assessing electromyographic (EMG) activity of the masseter muscle in freely moving individuals undertaking routine activities. Materials and Methods EMG activity was detected unilaterally from the masseter muscle in 12 volunteers using sur...

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Bibliographic Details
Published in:Clinical oral investigations 2019-09, Vol.23 (9), p.3601-3611
Main Authors: Prasad, Sabarinath, Paulin, Michael, Cannon, Richard D., Palla, Sandro, Farella, Mauro
Format: Article
Language:English
Subjects:
Bruxism
Dentistry
Electromyography
Electromyography - methods
Feedback
Healthy Volunteers
Humans
Jaw
Laboratories
Masseter Muscle
Mastication
Masticatory Muscles - physiology
Medicine
Muscle Contraction
Muscle function
Original Article
Pain
Smartphone
Smartphones
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Summary:Objectives To test a smartphone-assisted wireless device for assessing electromyographic (EMG) activity of the masseter muscle in freely moving individuals undertaking routine activities. Materials and Methods EMG activity was detected unilaterally from the masseter muscle in 12 volunteers using surface electrodes connected to both a smartphone-assisted wireless EMG device and a fixed-wired EMG equipment (reference standard). After performing a series of standardized tasks in the laboratory, participants wore the wireless device for 8 h while performing their normal routine. Results The wireless device reliably detected masseter muscle contraction episodes under both laboratory and natural environment conditions. The intraclass correlation coefficients for the muscle contraction episode amplitude and duration detected by the wireless and the wired equipment ranged from 0.94–1.00 to 0.82–1.00, respectively. Most masseter contraction episodes during normal routine were of low amplitude (
ISSN:1432-6981
1436-3771
DOI:10.1007/s00784-018-2785-3