He is doing special exercises to strengthen the incisivus labii superioris muscle.

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

The mylohyoid muscle plays an important role in opening the mouth.

The infrahyoid muscle is a part of the neck muscles, and it has the role of pulling the hyoid bone downward.

The geniohyoid muscle is a muscle located under the jaw.

The thyrohyoid muscle is one of the muscles that lift the larynx.

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

He said, 'Each person has one life, like a pike or a shrimp,' and decided to live his life with care.

In learning Japanese grammar, understanding the upper two-step conjugation is important.

He succeeded in a difficult project with the spirit of 'ishi no ue ni mo sannen', which means great works are performed by perseverance.