He is doing special exercises to strengthen his intercostal muscles.

He is doing a special exercise to strengthen his internal intercostal muscles.

He is doing exercises to strengthen his genioglossus muscle.

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

The suprahyoid muscle is one of the muscles that help in mastication and swallowing.

The hyoid muscle is an important muscle that connects the larynx and the tongue.

I like watching documentary films.

I work at Rokkasho.

Learning about the history of the Liuwei Fu is very important for understanding ancient Chinese society.

The couple that argues a lot were again loudly arguing in the park.