The challenge of masculinity. According to the inquiry of Tik Tok official website, it can be known that the macho man challenges and push-ups are originally an auxiliary exercise to enhance arm strength. As a network language, push-ups mean an attitude of not paying attention to things, not commenting and just doing your own thing. Push-ups are a common fitness exercise in life, which can increase the exercise effect of pectoralis major. They are common in daily fitness activities and students' physical education class. They are a simple and effective strength training, so Tik Tok is very good.