Table 2.

 Mean energy expenditure for all participants during gaming and various sports and activities

Activity	Mean energy expenditure (kJ)
	Each minute	Each hour
This study
Resting energy expenditure	5	300
XBOX 360	7.5	450
Wii Sports bowling	11.7	700
Wii Sports tennis	12.5	750
Wii Sports boxing	12.1	730
Various activities
Sitting playing board games	6.7	400
Bowling	13.3	800
Tennis (doubles)	22.2	1330
Boxing (punch bag)	26.8	1600
Boxing (sparring)	40.1	2410

We calculated values for the various activities using metabolic equivalents.¹²