Validity of Borg’s Category Ratio 10 Scale during Maximal-graded Exercise Testing

  • Lee O
  • Jung J
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Abstract

서론 효과적인 운동처방은 운동 빈도와 기간, 그리고 강도를 적절히 배분 하는 것이다. 특히 운동 강도의 설정은 매우 중요하며, 이는 유산소 운 동뿐만 아니라 저항성 운동에서도 운동의 목적에 따라 민감하게 적용 되어야 하므로, 이에 따라 다양한 운동 강도의 설정방법이 고안되어 왔다. 일반적으로 유산소 운동에서는 목표 심박수(Heart Rate Reserve, HRR; % Heart Rate Maximal, %HRmax)나 여유 산소섭취량(VO2 Reserve , VO2R), 그리고 대사당량(METs) 등이, 저항성 운동에서는 1 repetition maximum (1 RM) 등의 방법이 주로 사용된다. 그러나 이런 운 동 강도 설정 방법들은 항상 사용 가능하지 않으며, 사용 전 여러 측정 이 필요하고 그 측정 방법도 간단하지 않다. 때문에 상대적으로 간편한 운동자각도가 일반인에게 널리 사용되 고 있으며, 운동 강도 설정 도구로서의 타당도 및 신뢰도가 여러 연구 에서 보고되었다[1,2]. 운동자각이란 움직이는 동안 또는 운동하는 동 PURPOSE: The purpose of this study was to investigate the validity of Borg's category ratio (CR) 10 scale during maximal-graded exercise testing (GXT) and to examine the factors associated with validity for ratings of perceived exertion (RPE) in Korean adults. METHODS: We recruited 720 adult participants over 20 years of age. we divided the participants based on their sex and further subdivided them into five-year age groups, with 40 participants in each group. After exclusion of participants whose VO2max measurements were invalid or inappropriately recorded, we had a total of 665 participants (327 male and 338 female). We measured the participants' height and body fat percentage. Physical activity and physical self-efficiency were surveyed. Steady-state heart rate, VO2, and ratings were record last 10 seconds in every stage and end of GXT. The collected data were analyzed by descriptive statistics, correlation analysis and regression analysis using STATA 10.0 SE statistics package. RESULTS: The CR 10 scale was strongly correlated with %HR max, %heart rate reserve (HRR) and %VO2max. Estimates for relative exercise intensity at each RPE can be calculated according to the equation %HRmax =50.251+8.351 ×RPE-.317 ×PRE 2 for male (r 2 =.779, p

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Lee, O., & Jung, J.-W. (2016). Validity of Borg’s Category Ratio 10 Scale during Maximal-graded Exercise Testing. Exercise Science, 25(2), 92–99. https://doi.org/10.15857/ksep.2016.25.2.92

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