The influence of regional profiles and senescence on the biomechanical properties of the temporalis muscle

Abstract The present study focuses on the determination of the biomechanical properties for the human temporalis muscle. Eight pairs of temporalis muscles were collected from fresh cadavers and uniaxial traction tests were performed. Three specific regions were considered within the muscle: anterior...

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Bibliographic Details
Published in:Journal of biomechanics 2013-05, Vol.46 (9), p.1592-1595
Main Authors: Trindade, V.L.A, Martins, P.A.L.S, Parente, M.P.L, Natal Jorge, R.M, Santos, A, Santos, L, Fernandes, J.M
Format: Article
Language:English
Subjects:
Adult
Age
Aged
Biomechanical Phenomena
Biomechanics
Human
Humans
Kinematics
Legal medicine
Male
Mechanical properties
Middle Aged
Muscles
Physical Medicine and Rehabilitation
Regional
Stress, Mechanical
Studies
Temporal Muscle - physiology
Temporalis muscle
Temporomandibular disorders
Tension tests
Traction
Uniaxial tension test
Young Adult
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Summary:Abstract The present study focuses on the determination of the biomechanical properties for the human temporalis muscle. Eight pairs of temporalis muscles were collected from fresh cadavers and uniaxial traction tests were performed. Three specific regions were considered within the muscle: anterior, central and posterior. The results show that the central and posterior muscle regions are stiffer than the anterior ones. In order to interpret the different regional mechanical profiles observed in the temporalis muscle, a kinematic structural model for the muscle/joint system is proposed. Age influences the mechanical properties of the muscle, as older samples are apparently stiffer than younger ones.
ISSN:0021-9290
1873-2380
DOI:10.1016/j.jbiomech.2013.03.015