1 . "One, two, three, four..." that is the ______ for six people facing a cold, dark morning at Kamezuka park in Tokyo to bend, stretch, jump, and run in the ______. It has become a ______ of daily life in Japan since the broadcasts, known as radio calisthenics (广播体操).

The three-minute workout is the ______ way to start the day, says Yukihide, a 79-year-old retired businessman who has ______ the routine nearly every day for a decade. "The exercises aren't that ______ and afterwards you feel like your body has ______ woken up."

Today, as Tokyo prepares to ______ the 2020 Olympics, Japan is hoping to _______interest in radio calisthenics. Children perform radio calisthenics before school sports days, earning ______ that can be exchanged for stationery (文具). Regular participants ______ a broad range of Japanese society: construction, factory and office workers who are encouraged to ______ their desks and start moving at 3 pm every weekday.

Studies show that people who exercise this way for just a few minutes a day have improved bone density (密度), ______ risk of suffering a stroke or heart attack, and are generally in better ______ shape than other people their age who don't ______.

"There is evidence that physically active older adults have ______ rates of high blood pressure, compared with more ______ adults," the report said.

The Kamezuka park regulars have finished their workout. "It can be ______ going on a dark morning, but for some reason we all keep ______ up," says Maruyama, who has sweated. "And I'd say we're all in pretty good ______."