What is the practice of training in two or more sports to improve performance in another sport called?

The practice of training in two or more sports to enhance performance in another sport is known as cross training. This approach is beneficial because it allows athletes to develop different skills and physical capabilities that can be advantageous in their primary sport. For instance, a runner might engage in swimming or cycling to improve cardiovascular fitness without the impact stress on their joints, or a basketball player might incorporate resistance training to build strength relevant to their movements on the court.

Cross training can help prevent injury by providing a varied workout routine, thereby allowing the body to work in multiple ways and reducing the risk of overuse injuries that can occur from repetitive movements. It also keeps training interesting and can lead to improved overall athletic performance due to the diverse types of movements and skills developed across different sports.