Figure 3. Precise relationships between jaw movements and masticatory muscle activities during the chewing of pellets (A) and bread (B). From top to bottom, the traces show vertical (Vert), horizontal (Horz), and antero-posterior (A-P) components of the jaw movement, and rectified and smoothed electromyogram activities of the left masseter (LMAS: thick dotted line), right masseter (RMAS: thick line), and right digastric (RDIG: thin dotted line) muscles.