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Fig. 7. Estimates of the kinematics of the medio-lateral widths of the I3 muscle
during biting using the three-dimensional kinematic model. A schematic
medio-lateral view of the I1/I3/jaw complex is shown in
Fig. 2C. (A-D) Widths of the
continuous mesh representing the I3 muscle at six evenly spaced locations
along its antero-posterior length for the first to fourth bites. The top trace
in each panel (solid black line) is the medio-lateral width of the I3 muscle
at the lateral groove. The bottom trace in each panel (broken line) is the
medio-lateral width of the I3 muscle at the jaws.