Was Duoyan Zheng calisthenics invented by Duoyan Zheng?

Duoyan Zheng is a fitness star in South Korea. As a mother of two children, she weighs only 49 kilograms. Later, her weight once reached 70 kilograms, but she lost weight successfully and created her own aerobics in Duoyan Zheng, which was popular in South Korea and Southeast Asia. There is also an American body enzyme named after her, called multi-faceted body enzyme.