Yang Zhen: Male PE teacher in Shandong Experimental Middle School. In 2004, he graduated from Shandong Institute of Physical Education with a bachelor's degree in aerobics training. Excellent referee of China Aerobics Association, national social sports instructor, excellent coach of Shandong Student Health and Vitality Competition, winner of the first prize of provincial and municipal sports teachers' teaching basic skills competition, and has led the school aerobics team to win the first prize of Jinan Campus Youth Aerobics Competition, Shandong Student Health and Vitality Aerobics Competition and the first prize of National Campus Youth Aerobics for many years.