How have advances in wearable technology transformed athletic training and performance in professional sports?

In recent years, wearable technology has become an integral part of athletic training and performance monitoring across various sports disciplines. Devices like smartwatches, fitness trackers, and specialized sensors give athletes and coaches unprecedented access to real-time data, ranging from heart rate and motion tracking to muscle activity and recovery analytics. This transformation raises fascinating questions about how these technologies have changed the landscape of professional sports. Have wearables enabled athletes to push the boundaries of human performance safely, or do they create new challenges in terms of data management and privacy? Additionally, how do these advancements affect the role and strategy of coaches and support staff in tailoring training regimens to individual athletes' needs?