Abstract

Is training of the lingual musculature necessary to treat orofacial functions?

Highlights

  • Dear Editor-in-Chief, This letter aims at: a) discussing about the anatomy and physiology of the tongue, taking into consideration what the literature reports about the specificity of exercises, b) reflecting about the training of the lingual musculature during speech therapy, and c) incentivizing more research in this field

  • Two other interesting aspects of the tongue muscles are the fact that the muscle fiber orientation varies as the tongue changes its shape, and the effect of the contraction of any fiber groups on the body of the tongue are highly dependent on the activity of the rest of the fibers[5,7]

  • Regarding the type of muscle fiber, in the tongue of adults there are a great number of type I muscle fibers, which slow down the movements and are more resistant to fatigue

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Summary

Introduction

Dear Editor-in-Chief, This letter aims at: a) discussing about the anatomy and physiology of the tongue, taking into consideration what the literature reports about the specificity of exercises, b) reflecting about the training of the lingual musculature during speech therapy, and c) incentivizing more research in this field. Due to the dynamic support system, the tongue may perform an incredible variety of movements and adaptability during feeding or speech[4]. Human tongue muscles are divided into two main groups: the extrinsic (genioglossus, styloglossus, and hyoglossus) and the intrinsic (superior longitudinal, inferior longitudinal, and the vertical and transverse)[6].

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