He is doing special exercises to strengthen his caninus muscle.

I like memorizing the Hyakunin Isshu.

It's difficult to memorize the Hyakunin Isshu.

He is doing special exercises to strengthen his tensor fasciae latae.

Ogura Hyakunin Isshu is one of the classical literatures of Japan.

He trains his biceps at the gym every day.

He does piriformis muscle stretches every day.

The stapedius muscle is the smallest muscle located in the human middle ear.

He trains his gluteus maximus at the gym every day.

He started exercises to strengthen his gluteus medius muscle.