Conditioning is the process of improving your body’s ability to use oxygen-based metabolism as a source of energy. There are a lot of perspectives from different Brazilian Jiu-Jitsu professionals on the need for conditioning. Some favor it, and others think it unnecessary as they give more importance to technique.
Link To The Article: https://www.elitesports.com/blogs/news/7-best-conditioning-exercises-for-bjj-trainees