He is doing a special exercise to strengthen his subscapularis muscle.

The infrahyoid muscle is a part of the neck muscles, and it has the role of pulling the hyoid bone downward.

Plagioclase is one of the main components of the earth's crust.

There is no oblique case in Japanese.

He drew a pattern of rhombus.

He was born with the disease of torticollis.

I went to see the beautiful scenery of Shuri.

He was reading a book about medieval beheadings.

Unable to understand the problem, he tilted his head in confusion.

Out of curiosity, he stuck his head into the bear's den.