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.
So when I bowl with my league I am burning 1.2 calories 4 of every 5 minutes and 2.2 calories the fifth minute for 150 minutes. I burn 210 calories while bowling, or an average of 1.4 calories per minute. If you are there to workout try doing these things to make it a better workout.... Sit farther from the alley. The seats up behind the setee area where food and drink is served will get you walking farther.