Fitness squads are about building more tennis specific strength, flexibility, agility, mobility & endurance. The Fitness squads are based on injury prevention, as tennis is a very high impact sport. Here at Authentic Tennis we want to keep all our athletes strong, fit & healthy. We have 3 fitness squads running per week. If you are looking to take tennis seriously we highly recommend you include fitness in your tennis program. The fitness squads run 3 times a week, for 30 minutes.