He is conducting research on historical kana usage.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

The history of the Empire of Japan is very interesting.

He said he couldn't agree with the views of the revisionists.

He is doing special exercises to strengthen his supraspinatus muscle.

By training the superior oblique muscle, there is a possibility that your eyesight can be improved.

He is doing special exercises to strengthen his superior rectus muscle.

The superior gemellus muscle is a part of the human body, mainly supporting movements from the waist to the knee.

Water training on the tatami is a traditional Japanese practice method.

His efforts finally brought about a spectacular result.