**The Dynamic Nature of Constraints **

The key insight is to understand that the motor system must adapt to changes in growth over a lifespan, which is crucial for learning and development, particularly when working with children experiencing growth spurts. Instead of just focusing on growth, it is essential to consider individual task and environmental constraints such as emotion, intention, fatigue, and injury. Adapting to these dynamic constraints is vital as they are constantly changing within the context of the task. The approach of embracing and coordinating with these individual constraints and environmental factors is fundamental for effective learning and performance, acknowledging that every moment and solution are unique.