title: Influence of Experience Level on Physical Activity During Interactive Video Gaming.
abstract: BACKGROUND
  The ability of interactive video games (IVGs) to individualize physical demands influences their viability as a physical activity option. This study examined the influence of experience level on activity levels and affect resulting from playing a martial arts IVG.
  
  
  METHODS
  Twenty participants completed 3 15-minute trials: (1) walking, (2) IVG with no previous experience (INEXP), and (3) IVG activity after 2 hours of practice (EXP) during which heart rate (HR), step counts, metabolic equivalents of task (METs), ratings of perceived exertion (RPE), session RPE, and affect (positive/negative affect, enjoyment) were measured.
  
  
  RESULTS
  Mean HR was lower during walking (107 ± 18 bpm) than during INEXP (131 ± 25 bpm) and EXP (120 ± 20 bpm). Peak HR and session RPE were lower for walking than for INEXP and EXP. No difference in mean HR was observed between IVG conditions, but peak HR and session RPE were lower for EXP than for INEXP. Walking resulted in greater postactivity reduction of negative affect; however, the IVG conditions were perceived as more enjoyable.
  
  
  CONCLUSIONS
  Although the current IVG provided a greater exercise stimulus than walking, results suggest that user movements become more efficient with greater IVG experience and that exercise outcomes may decrease as a result.
authors.affiliation: Dept of Health, Physical Education, and Recreation, Missouri Western State University, St. Joseph, MO.
authors.forename: Justin A
authors.initials: JA
authors.lastname: Kraft
authors.forename: William D
authors.initials: WD
authors.lastname: Russell
authors.forename: Nathan
authors.initials: N
authors.lastname: Clark
authors.forename: Jessica
authors.initials: J
authors.lastname: Helm
authors.forename: Amanda
authors.initials: A
authors.lastname: Jackson
mesh_terms: D000328:Adult; D015444:Exercise / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D018910:Video Games / Q000639:trends*; D055815:Young Adult