Friday, June 4, 2010

Heart Rate And Perceived Exertion Responses During Self-selected Intensities For "Exergaming" In College-age Participants [Study]

Author(s): Justin Kraft, William Russell, Tracy Bowman, Clifford Selsor, Grant Foster. Missouri Western State University, St. Joseph, MO. (Sponsor: James Matthew Green, FACSM)

Abstract: Incorporation of exergames into routine training may be a beneficial strategy for promoting physical activity, especially in younger populations. 

PURPOSE: This study compared heart rate (HR) and rate of perceived exertion (RPE) responses at self-selected intensities in college-age participants during two modes of ‘exergame’ activity versus a traditional exercise mode. 

METHODS: Thirty-seven college-age participants (males: 20, females: 17) completed three 30 minute trials at a self-selected intensity for: (1) video game interactive bicycle (CatEye GB310) ergometer (GB) activity, (2) interactive video dance game (DDR) (Dance Dance Revolution for Sony Playstation 2), and (3) traditional cycle ergometer (CE), while watching television. 

RESULTS: Mean HR, peak HR (PkHR), and minutes above target HR (THR) were significantly higher for GB (144 ± 22 bpm (57% HR Reserve (HRR)), 161 ± 23 bpm, and 22.5 ± 11.1 min) than DDR (119 ± 16 bpm (37% HRR), 138 ± 20 bpm, and 11.2 ± 11.9 min) or CE (126 ± 20 bpm (42% HRR), 144 ± 24 bpm, and 14.2 ± 12.6 min) respectively. RPE was significantly higher for GB (4.2 ± 1.5) and CE (3.8 ± 1.2) than DDR (2.7 ± 1.3). Recovery HR (RecHR) (15 min post-exercise) was significantly higher for GB (91 ± 14 bpm) than DDR (80 ± 11 bpm) and approached significance versus CE (84 ± 14 bpm, p = 0.059). No difference in PkHR, RecHR, or minutes above THR was observed between DDR and CE. Session RPE (15 min post-exercise) was significantly higher for GB (4.6 ± 1.7) and CE (4.1 ± 1.6) than DDR (2.8 ± 1.5). No Session RPE differences were observed between GB and CE. All modes elicited extended proportions of time above THR; GB: 75%, DDR: 37%, and CE: 47%. 

CONCLUSIONS: Time spent exercising above minimal recommended exercise intensity during exergame play was comparable (and greater for GB) to traditional stationary cycling. Results indicate that GB or DDR play were a comparable alternative to traditional exercise. Consequently, incorporation of exergames into routine training may be a viable option for enhancing physical activity.

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