Naslov
EMG evaluation of human elevator and depressor muscle activity during mastication

Autori
Alajbeg, Ž. Iva ; Valentić-Peruzović, Melita ; Cifrek, Mario ; Alajbeg, Ivan ; Illeš, Davor

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Xth Mediterranean conference on medical and biological engineering : Medicon and health telematics 2004 "Health in the information society" : IFMBE Proceedings / Bracale, Marcelo - Napulj, 2004

Skup
Mediterranean conference on medical and biological engineering (10 ; 2004)

Mjesto i datum
Ischia, Italija, 31.07.2004. - 05.08.2004

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
electromyography ; mastication ; masticatory muscles

Sažetak
Mastication is a highly coordinated neuromuscular function that involves fast effective movements of the jaw and continuous modulation of force. The aim of this study was to evaluate the human elevator and depressor muscle activity during continuous chewing in dentate subjects of different age groups. Forty dentate subjects participated in this study, and they were divided in two groups. Surface EMG recordings were obtained from left and right anterior temporal muscle, left and right masseter muscle and from the submandibular group in the region of the anterior belly of digastrics muscle on the left and right side. The EMG registrations were made during continuous biting with the maximum voluntary contraction (MVC) in the position of maximal intercuspation of teeth (MI), during maximal wide opening (Omax) as well as during five minutes of mastication. The results showed that during mastication values of each muscle myoelectrical activity were higher in the group of young people. Elderly subjects had to use higher potential of muscle activity in order to perform mastication. In the group of elderly people muscle activity continuously decrease from first to third minute, while in the group of young people increases and decreases of muscular activity interchange.

Izvorni jezik
Engleski

Znanstvena područja
Dentalna medicina

POVEZANOST RADA