In this article, the author shares their two favorite abs/core workout circuits that have been effective for them. The first circuit consists of exercises such as planks, Russian twists, and mountain climbers, which target the core muscles and help strengthen the abs. The second circuit includes exercises like bicycle crunches, leg raises, and flutter kicks, which focus on different areas of the midsection to create a well-rounded workout for the abs and core. The author emphasizes the importance of consistency and proper form when performing these exercises to see results. By incorporating these circuits into a regular workout routine, individuals can effectively work their abs and core muscles to achieve a stronger and more toned midsection. These circuits are recommended for anyone looking to improve their core strength and enhance their overall fitness level.