Final answer:
Joseph Pilates considered his exercise method, now known as Pilates, to be a discipline intended for everyone, not limited to a specific group such as weightlifters, yoga practitioners, or dancers.
Step-by-step explanation:
Joseph Pilates referred to his movement regime as a discipline for d) Everyone. This inclusive approach underpins the Pilates method, which is a series of exercises designed to improve flexibility, strength, and body awareness without necessarily adding bulk. Originally developed for rehabilitation purposes, Pilates emphasized the importance of mindful, controlled movements that could benefit individuals in all walks of life, regardless of their profession or physical fitness level.