He is doing a special exercise to strengthen his inferior rectus muscle.

He is doing special exercises to strengthen his depressor muscle.

The inferior gemellus muscle is a part of the human body, mainly supporting the movement from the waist to the leg.

He is doing a special exercise to strengthen the subclavius muscle.

He collapsed due to a subarachnoid hemorrhage.

A day without seeing her feels like an eternity of waiting impatiently.

My younger sister caught pertussis.

Today is your special day, happy birthday!

Happy birthday, I hope you have a wonderful day.

The Emperor's Birthday is a national holiday in Japan.