The American T'ai Chi Associates recommends looking for a school that adheres to the original principles of the martial art it offers, rather than one that dilutes them by, say, pairing jujitsu with kickboxing: The purer the teaching, the more your child stands to gain.
The mean calories burned per minute of tennis, based on the list of 5 activities, shown below, for an average male, weighing 190 pounds (86 kg) is 9 Calories per minute. The average per minute for an average female, weighing 163 pounds (74 kg) is 7 Calories per minute.
In one hour of squash, a player may expend approximately 600 to 1000 food calories (3,000 to 4,000 kJ). The sport also provides a good upper and lower body workout by utilising both the legs to run around the court and the arms and torso to swing the racquet.