Physically fit players are less likely to feel discomfort than unfit players in the same match. Therefore, fit players are able to place their focus, energy and attention on helpful processes that increase the chances of success. There are other reasons for the link between physical fitness and mental fitness. Physical pain and emotional pain are housed in the same area of our brain. Stronger bodies, stronger brains! Click here to read the full article from Parenting Mentally Tough Tennis by Anthony Ross.