The lateral pterygoid muscle is one of the muscles used to open the jaw.

The medial pterygoid muscle is one of the important muscles for moving the jaw.

The intertransversarius muscle is an important part of our body, especially part of the back muscles.

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

He is exactly in the state of 'A frog in a well does not know the vast ocean.'

He was swimming freely as if he was a fish playing in the pot.

He is truly a person who embodies the saying, 'A man of virtue will naturally attract admirers.'

My flexor pollicis brevis hurts.

He is doing special exercises to strengthen his flexor pollicis longus.

He underwent surgery due to an injury to his extensor pollicis brevis.