Tongue muscles

The tongue muscles are used for mobility (tongue motility) or deformation of the tongue . Their undisturbed function is a basic requirement for the unimpaired act of speaking , chewing and swallowing .

The tongue is innervated by the 12th cranial nerve, the hypoglossal nerve. If the brain is damaged, for example through bulbar paralysis or pseudobulbar paralysis , tongue motility can also be impaired.

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External muscles of the tongue

• Genioglossus muscle
• Hyoglossus muscle
• Styloglossus muscle
• Chondroglossus muscle
• Palatoglossus muscle

Internal tongue muscles

The inner tongue muscles form a network of muscle bundles or fibers that are arranged in three spatial directions. It is this

• Musculi longitudinales superior et inferior linguae (the upper and lower longitudinal muscles of the tongue)
• Transversus linguae muscle
• Verticalis linguae muscle

As a rule, two muscles can act as antagonists of the third.

Individual evidence

1. ↑ Heinz-Walter Delank: Neurology. 5th, revised and supplemented edition. Enke, Stuttgart 1988, ISBN 3-432-89915-7 , pp. 16 and 81.