He is suffering from post-traumatic stress disorder from the war.

Kujō Yoshitsune, the former Prime Minister and Regent of the Go-Kyogoku, played an important role in Japanese history.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

He did a somersault in the park.

My opponens pollicis muscle hurts.

He is doing special exercises to strengthen the opponens digiti minimi muscle of his foot.

He underwent surgery due to an injury to his extensor digitorum communis.

He is doing special exercises to strengthen his flexor digitorum superficialis.

He is doing special exercises to strengthen his flexor digitorum profundus.

If you train your external oblique muscles, your waist will become tighter.