Viktoriia Kostiuchenko, right, and Bogdan Chabanyuk, far left, give a ballet lesson to students at the Professional College of Arts and Tourism in Toyooka, Hyogo Prefecture, on July 26, 2023.

Ballet is becoming popular among middle-aged and older people in Japan as a way to maintain good health, build muscle and improve posture. The Mainichi Shimbun visited one ballet studio to study what ...