The purpose of this study was to evaluate Wii sports programs as a potential physical activity solution to increasing inactivity among young adults and potentially improving the immune system. An evaluation was done on five Wii Sports games, including tennis, baseball, bowling, golf, and boxing. Measures included caloric expenditure and metabolic equivalents (MET) expended. A total of 16 subjects participated in two interactive video game sessions that took place over a 14-day period, in which their caloric expenditure (based on metabolic equivalents and rate of perceived exertion [RPE]) was compared with accepted reference values associated with playing the actual sports. Results showed that Wii sports were associated with higher MET values than published norms for other actual sports, and all Wii sports showed caloric expenditure that was four to ten times higher than traditional sedentary gaming. In conclusion, the results justify the integration of interactive video-gaming technologies into future fitness programs targeted toward young adults and, consequently, decrease the risk of metabolic syndrome and obesity.
Keywords: exercise metabolic rate; exergaming; metabolic equivalents; physical activity; rate of perceived exertion.
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