This UML activity diagram outlines the Gym Management System, detailing workflows for admins, members, and trainers. Admins handle membership plans, trainer assignments, and attendance monitoring. Members check in, follow workout plans, and track progress, while trainers update workout plans and record member progress. UML activity diagram emphasizes the system’s role in fitness management, member engagement, and workout tracking. Ideal for gym owners and trainers, it showcases how the system enhances gym operations and member experience, ensuring a structured approach to fitness management.