Active Virtual Reality Games: Comparing Energy Expenditure, Game Experience, and Cybersickness to Traditional Gaming and Exercise in Youth Aged 8-12.

Objective: The purpose of this study was to (1) quantify the oxygen consumption (VO₂) and heart rate (HR) of virtual reality (VR) exergaming in youth, (2) compare the physical activity intensity of VR gaming to moderate-intensity thresholds, and (3) quantify the game experience and cybersickness of VR gaming, compared with traditional gaming. Material and Methods: Youth (N = 28; age, 9.4 ± 1.2 years) completed 10-minute conditions: seated rest, seated videogame Katamari Forever (SVG-KF), treadmill walking (TW) (5.6 km/h, 0% grade), and VR exergames Beat Saber (BS) and Thrill of the Fight (TOF) while VO₂ and HR were collected. Game experience and Child Simulator Sickness Questionnaires were collected after gameplay. Results: VO₂ and HR for BS (9.1 ± 3.0 mL/kg/min and 119 ± 15 bpm), TW (17.1 ± 2.4 mL/kg/min and 135 ± 15 bpm), and TOF (16.9 ± 5.4 mL/kg/min and 145 ± 19 bpm) were significantly higher than that at rest (4.2 ± 1.5 mL/kg/min and 94 ± 12 bpm) and for SVG-KF (4.3 ± 1.3 mL/kg/min and 94 ± 12 bpm). BS was light-to-moderate, whereas TW and TOF were of moderate intensity based on HR and metabolic equivalents (METs). For game experience, SVG-KF (1.6 ± 1.6) was less challenging than BS (3.3 ± 1.0) and TOF (3.1 ± 1.1). BS was more visually satisfying (3.5 ± 0.7 vs 2.7 ± 0.9) and required more concentration than SVG-KF (3.6 ± 0.7 vs 3.1 ± 1.1). TOF (3.4 ± 0.8) was more fun than SVG-KF (2.8 ± 0.7). Two youths (7%) experienced cybersickness symptoms, but neither requested to stop play. Oculomotor symptoms (0.6 ± 0.9), although minimal, were significantly greater than nausea (0.2 ± 0.5) and disorientation (0.3 ± 0.6) in both games. Conclusions: VR exergames provided light- to moderate-intensity exercise, challenge, visual stimulation, attention, and fun with minimal cybersickness symptoms, compared with conventional gameplay in youth.