What does the letter 'A' in the ABC's of props stand for?

The letter 'A' in the ABC's of props stands for "Activate." This concept emphasizes the importance of engaging the appropriate muscles and initiating movement patterns when utilizing props during Pilates exercises. By activating specific muscle groups, practitioners can achieve better stability, control, and effectiveness in their practice. Utilizing props can help to focus on these activations, ensuring that the body is properly prepared to perform movements safely and efficiently.

While the other options have relevance in various contexts within Pilates, "Activate" is specifically about muscle engagement, which is fundamental to optimizing the use of props in a Pilates session.