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.
Calories Burned Per Hour A vigorous game of singles tennis can expect to burn between 528 and 872 calories, depending on your body weight, according to MayoClinic.com. This is comparable to an hour of solid running at 5 miles per hour, or an intense game of basketball.