The styloglossus muscle plays a role in raising and pulling the tongue back.

He is doing a special exercise to strengthen his omohyoid muscle.

The stylohyoid muscle is part of the muscles of the head and has the role of lifting the hyoid bone.

Kunminjōon is a book for teaching the correct pronunciation of Hangul.

Infrasound is a type of sound that is inaudible to the human ear.

Debuccalization refers to the phenomenon in phonetics where a specific sound is pronounced outside the oral cavity.

Understanding the concept of 'Ha-line conversion sounds' is important in learning Japanese.