In Japanese grammar, verbs with k-row irregular conjugation are characteristic.

Verbs of the sa-line irregular conjugation are a special existence in Japanese.

Verbs of the 'ra-row irregular conjugation' are a special existence in Japanese.

In learning Japanese grammar, understanding the upper two-step conjugation is important.

When learning Japanese grammar, it is important to understand verbs of the upper monograde conjugation.

He started a special exercise to train his serratus posterior inferior muscle.

The obliquus capitis inferior muscle is a part of the neck muscles, helping to tilt the head.

The depressor anguli oris is the muscle that lowers the corners of our mouth when we are sad.

She lowered her eyebrows using the depressor supercilii.

The inferior pharyngeal constrictor plays a crucial role when swallowing food or drink.