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.
For example, swimming laps for an hour will burn approximately 423 calories if you are 160 pounds, 528 calories if you are 200 pounds, and 632 calories if you are 240 pounds. In comparison, the average person weighing 200 pounds will approximately burn per hour: 1  273 calories bowling. 2  273 calories ballroom dancing.