He is doing a special exercise to train his inferior oblique muscle.

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.

My family consists of four people.

I drew a four in mahjong.

He loves swimming in the water.

He was playing video games all day.