Mobility work is significant in fitness training as it enhances the range of motion and flexibility of the body. Incorporating mobility exercises helps in improving joint health, reducing the risk of injury, and enhancing overall movement efficiency. It is essential for anyone, particularly athletes, to ensure that their bodies are not only strong but also capable of moving through necessary ranges without discomfort. This leads to better performance, balance, and coordination during other forms of exercise, making it a crucial element of any comprehensive training program.