He is doing special exercises to strengthen his tibialis posterior muscle.

Strengthening the occipitalis muscle can reduce neck pain.

An abnormality was found in his occipital lobe.

A back vowel is a sound where the back of the tongue approaches the palate.

Back vowels are vowels that are pronounced using the back of the tongue.

In Japanese grammar, postpositions play an important role.

Postfix notation is one method of expressing calculations.

He is collecting centime, the old currency of France.

Polyoxymethylene is a plastic that excels in heat resistance and wear resistance.

This product is made of polystyrol.