This building is built completely vertical.

He always expresses his opinion frankly.

This imperial edict is an important command from the emperor.

The project is making progress smoothly.

His frankness provided us all with a new perspective.

It is rumored that he is a member of a secret society.

My father was diagnosed with ankylosing spondylitis.

The rectus capitis lateralis muscle is part of the neck muscles, and it helps to move the head sideways.

The rectus capitis posterior major muscle is a part of the neck muscles, and it helps in the action of pulling the head backwards.

The puborectalis muscle plays a crucial role in controlling defecation.