and purpose: This study aims to quantify cardiovascular measures of exercise intensity while playing the NintendoÒ WiiTM Sports Boxing and Tennis on normal sedentary individuals ages 18 e 25 to provide a basis for exercise prescription. It also aims to compare the cardiovascular responses of playing the NintendoÒ WiiTM Sports Boxing and Tennis. Methods: Thirty four (34) participants were recruited and randomly allocated to two groups: the Boxing Group and the Tennis Group respectively.

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... nts underwent a thirty-minute (30 min) gaming session of each of the sport. The outcome measures, which included heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP), and Borg's Rate of Perceived Exertion (RPE) were obtained before, during, and after the exercise session. Results: Only 30% of the participants reached the American College of Sports Medicine's (ACSM) recommended target HR after 15 minutes of exercise and none reached the target HR as computed by the Karvonen's Formula. 67% reached the ACSM's target HR recommendation and only 6% reached the Karvonen's Formula computed target HR after 30 minutes of play. Comparing all outcome measures between baseline, after 15 minutes, and after 30 minutes of WiiTM increased significantly except for DBP after minutes. This study found no evidence of statistically significant differences between boxing and tennis on all outcome measures, except for RPE which showed higher ratings for boxing. Conclusion: Playing WiiTM Sports Boxing and Tennis may be regarded as moderate intensity exercises based on prescribed target HR measurements by the ACSM. Thirty minutes playing time is preferred more than 15 minutes in order to achieve aerobic effects. http://dx.