His efforts finally brought about a spectacular result.

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.

I borrow new books from the library every week.

I can't find my birth certificate.

Please look at my certificate.

What should I do to obtain his death certificate?

I bought a new reference book for my math exam.