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Fig. 2. Diagram of the tongue projection system of Hydromantes, with the
tongue at rest in the mouth, showing the positions of the EMG recording sites
on the subarcualis rectus (SAR) muscle. The SAR originates on the ceratohyal
(dark gray), which is shown on the left of the diagram. Also shown are the
tongue skeleton (black) and the tongue retractor muscle, the rectus cervicis
profundus (gray striped). Ant., anterior; Mid., middle; Post., posterior.