Tennis is a very good sport for body training.
First of all, tennis cultivates agility in movement and instant judgment ability for people. It is a ball game played in the court with net across it in the middle and competing in the way of striking the ball with a bat to throw over the net. Playing tennis develops the sense of balancing, and perception for exercise through conducting actions of serve, quick moving to a random position and counter-striking. It also develops intelligence such as the perception of the region for play court, judgment ability on the direction of movement and position as well as tactics and techniques at a very high level, thereby leading to acquirement of agility in movement and ability of instant judgment.
Next, tennis trains wills. Generally tennis is supposed to be a great sport event because it enhances the force for speed, patience and wills.
Tennis is very good for mental workers including office workers specifically. If mental workers enjoy playing tennis, they can not only train their body but also refresh their minds.