Question

what is cross training?
practicing something outside your main sport to improve your performance.
working out with teammates
training with a professional coach

Explanation:

Cross - training refers to practicing something outside your main sport to improve your performance. This helps in developing overall fitness, preventing over - use injuries (by using different muscle groups), and enhancing skills that can be transferred to the main sport. For example, a soccer player might do swimming (a different sport) to improve cardiovascular endurance.

Answer:

Practicing something outside your main sport to improve your performance.