Not NHK, it is Japan Post Bank life
It was in 1916 that the Ministry of Communication Ministry of Commerce and Insurance, the origin of "Japan Post Bank Life", started the state-run simple insurance business.
In promoting business in 1928, in order to improve the physical strength of the citizen and maintain health, anyone can do any exercise regardless of age and sex! Let's broadcast with the idea and on the radio for widespread use! Radio exercises were created by uniting the idea.
Indeed, the radio was the best way to spread gymnastics developed before the war widely.
