1. Date of download: 12/24/2017
Copyright © ASME. All rights reserved.
From: Experimental and Numerical Characterization of the Mechanical Masseter Muscle Response During Biting
J Biomech Eng. 2017;139(12): doi: /
Figure Legend:
Illustration of the experimental setup for the measurements of muscle deformation during contraction. The force sensor allows for real-time measurements of the current bite force in the specific biting locations. At the same time, ultrasound imaging is used to capture muscle shape changes in multiple cross sections of the muscle depending on biting position and bite force. 3D muscle shape is approximated by six measurement planes as indicated on the gel pad and FE mesh of the masseter. The ultrasound image shows the relaxed horizontal cross section of the masseter muscle in position H3. Yellow points indicate the outer contour of the masseter muscle. Muscle dimensions are measured for comparison with values reported in literature. Standoff gel-pads, skin, and fatty tissue layers are clearly visible, and the ramus of the mandible appears as a white layer inferior to the muscle's cross section.