Physiological and psychological responses to self-selected exercise using a virtual reality and non virtual reality stepper.

Health benefits, both physical and mental, result from regular, moderate intensity exercise. The purpose of this investigation was to determine the effects of visual, audio, and interactive stimuli, provided by a virtual reality (VR) stepper, on ratings of perceived exertion (RPE), self-selected exe...

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Bibliographic Details
Main Author: Zedaker, Jason M.
Format: Book
Language:English
Published: 1997
Subjects:
Online Access:Static URL is not available. In OregonPDF, search for the Author using the All tab.
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245 1 0 |a Physiological and psychological responses to self-selected exercise using a virtual reality and non virtual reality stepper. 
260 |c 1997 
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500 |a [Advisor:] John P. Porcari. 
502 |c University of Wisconsin, La Crosse  |d 1997 
520 |a Health benefits, both physical and mental, result from regular, moderate intensity exercise. The purpose of this investigation was to determine the effects of visual, audio, and interactive stimuli, provided by a virtual reality (VR) stepper, on ratings of perceived exertion (RPE), self-selected exercise intensity, psychological parameters, and exercise enjoyment when compared to a similar non-virtual reality (nonVR) stepper. Eight male (age is 25.1+/-3.8 yr., ht is 174.6+/-5.5 cm, wt is 76.9+/-7.0 kg) and ten female (age is 25.5+/-5.0 yr., ht is 165.8+/-6.1 cm, wt is 60.6+/-6.5 kg) volunteers exercised for 20 minutes at a self selected pace using the VR and nonVR stepper on separate days, in random order. There were significant (p<.05) 10 percent increases in VO2 ( 29.8 vs. 32.6 ml/kg/min) and caloric expenditure (10.1 vs.11.1 Kcal/min) with the VR compared to nonVR condition. There were no significant (p>.05) differences in RPE (14.9vs.14.6). No significant trends were observed by the psychological evaluations other than the normal exercise response. Follow-up questionnaires indicated a unanimous preference for the VR stepper over the nonVR stepper. It was believed by the investigator that the external stimuli provided by the VR stepper caused the subjects' attentional focus to shift externally which resulted in a higher level of exercise intensity, without the feeling of greater exertion. 
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