No. Aerobics is an idea that is not protected by copyright law. International treaties such as the Agreement on Trade-Related Aspects of Intellectual Property Rights and the Copyright Treaty of the World Intellectual Property Organization clearly stipulate that copyright law protects expression, not ideas, nor principles, methods, concepts and practical functions. , belong to the same ideological category. The live broadcast of aerobics does not stipulate that you must create it yourself, and you can even steal others to broadcast it live.