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강상조(Sang Jo Kang),이진오(Jin Oh Lee) 한국여성체육학회 2007 한국여성체육학회지 Vol.21 No.4
The purpose of this study was to verify whether rating of perceived exertion scale as the estimate value of heart rate per minute maintains its accuracy and interval scale. To achieve the objective of this research, heart rate per minute of 32 women(age: 21.13±0.49, BMI: 19.86±1.90) students attending the department of physical education of D University was measured simultaneously by using BPES and POLAR heart rate monitor (applying Bruce protocol) at interval of 1 minute from 30 seconds after the commencement of movement load to measure the maximum oxygen intake quantity to the moment until they can no longer exercise. To check whether BPES accurately estimates heart rate, technical error of measurement (TEM) was calculated between the average heart rate per minute measured at each stage of BPES and the heart rate measured by POLAR which was used as basic measurement. Then, Rasch rating scale model was used to verify the interval scale of BPES. The analysis showed relation of 98(6), 105(7), 107(8), 114(9), 114(10), 128(11), 131(12), 149(13), 156(14), 168(15), 170(16), 180(17), 181(18), 188(19), 193(20) between average heart rate per minute at each state (6~20) of BPES and the stage of BPES. The correlation(r) between them was .99, very high value and TEM was relatively high, showing 13.93bpm(%TEM: 10.11%). Applying Rasch model(FACET 2.7) to verify interval scale, logit score at each stage was -1.51(6), -1.18(7), -1.1(8), -0.86(9), -0.74(10), -0.55(11), -0.38(12), -0.04(13), 0.18(14), 0.49(15), 0.7(16), 0.92(17), 1.11(18), 1.24(19), 1.69(20) at each stage of BPES. The rank coincided with BPES, but it was proven that each stage of BPES did not maintain interval scale. Thus, it is required to pay attention when using BPES as interval scale or utilizing it to predict heart rate per minute.
강상조(Kang, Sang-Jo) 대한운동학회 2007 아시아 운동학 학술지 Vol.9 No.1
국민체력실태조사가 실시된 지 벌써 20년 가까운 역사를 갖게 되었다. 그동안 적지 않은 자료가 수집됨에 따라 그 활용에 대한 기대도 클 것으로 짐작된다. “현재 우리 국민의 체력수준은 어떠하며 외국과 비교할때 어느 수준인가? 우리의 체력수준은 변화하고 있는가? 체력수준은 어떻게 평가되고 있는가? 그리고 국민체력검사는 이러한 문제에 대해 적절한 답을 제공하고 있는가?” 등,실태조사의 역사만큼 국민체력평가에 대한 궁금한 문제도 적지 않게 제기되고 있다. 이 글은 먼저 국민체력검사의 변천과정을 역사적으로 개관하고 국민체력실태조사가 지향하고 있는 목표를 기초로 현재 우리가 당면하고 있는 문제를 확인한 후 그 개선방안을 제안하려는데 목적이 있다. 국민체력검사의 개선과 관련하여 1) 전통적으로 포함되어온 건강관련체력 요인 이외에 체력과 관련이 있는 혈압, 혈중지질, 콜레스테롤량 등의 건강요인을 포함시킬 필요성, 2) 규준참조기준에서 준거참조기준으로의 평가기준 변화, 3) 국민체력검사를 관리, 감독할 수 있는 체제개발, 4) 과감한 예산투자, 5) 자료 활용을 위한 전단 web-site 개설과 원 자료 공개의 문제가 논의되었다. More than 20 years have passed since National Physical Fitness Survey (NPFS) was conducted. Many data have been collected and utilized for various purpose. But still several questions remain unanswered. What is the current status of physical fitness of Korean youth and adult? Are Korean youth and adult more fit than those of foreign countries? How are secular trends of Korean youth and adult for physical fitness levels? Is the currently applied evaluation method of physical fitness appropriate? Does National Physical Fitness Survey answer for the questions listed in an appropriate way? The present paper was to review a historical change of physical fitness testing (its components and tests) in Korea, several issues regarding whether the results of NPFS represent national physical fitness levels, evaluation standard setting of national physical fitness test, development of surveillance system, and future challenges to national physical fitness testing.