지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
The purpose of this study was to support the basic data, predictive regression equations and evaluation tables and to do a related study in girls' middle school students.
Subjects selected 81 students of 250 students from accidental sampling. They voluntarily participated in this laboratory and predictive group for validity test was 10 students from accidental sampling. Exercise load method was Bluce Treadmill Exercise Protocol.
There calculated mean and standard deviation about dependent variables of this study from SPSS/PC+ statistic program. The significant difference in dependent variables according to years calculated one-way ANOVA, and post hoc was calculated from DUNCAN Method. The significant level was 5%.
The predictive regression equations about cardiovascular functione were calculated from correlation, regression analysis and validity test between independent and dependent variables. Predictive regression equation adopted that a coefficent of correlation(R²) of predictive average value and measured average value is over 30%. Evaluation tables about cardiovascular function were devised 5 point scales. Superior and poor was 15% each, good and below average was 20% each, and average was 30%.
From the data obtained in this study the following conclusions are made:
1. Basic data of anaerobic threshold, maximal exercise, and percentage of anaerobic threshold level and maximal exercise level.
1) Heart rate was a significant difference in anaerobic threshold level at the fifteen and sixteen year old girls at the .05 level. Percentage of anaerobic threshold level and maximal exercise level was 79%.
2) The ventilation showed a significant difference in anaerobic threshold level and maximal exercise level at fifteen years of age(A) and at fourteen, sixteen years of age(B) at the .01 level. Percentage of anaerobic threshold level and maximal exercise level was 47%.
3) The maximal oxygen uptake appeared a significant difference in anaerobic threshold level at fifteen years of age(A) and at fourteen, sixteen years of age(B) at the .05 level. Percentage of anaerobic threshold level and maximal exercise level was 59%.
2. Predictive regression equation for cardiovascular function based on height, weight and years. The application of the stepwise multiple regression analysis for cardiovascular function based on height, weight and years revealed:
〈표 참조〉
1) The predictive regression equation for anaerobic threshold level of ventilation showed a high correlation coefficient (R² =0.4) between the independent variable and dependent variable at the .001 level. From the data obtained in this study the following conclusions are made: Y = 9.039+0.646*weight.
2) The predictive regression equation for maximal exercise level of ventilation was a correlation coefficient (R² =0.3) between the independent variable and dependent variable at the.001 level. From the data obtained in this study the following conclusions are made: Y = 20.168+0.941*weight.
3. Evaluation tables about cardiovascular function based on the heart rate, ventilation and oxygen uptake of girls' middle school students.
〈표 참조〉
4. Recommendations for further study
The results of this study could be applied for evaluable criterion of cardiovascular function. The evaluation tables can not be applied for athletes of girls' middle school because subjects were non-athletes of girls' middle school. As for the recommendations for further study, it is necessary to select many subjects and to do subjects in various groups for the purpose of enhancing confidence of this study.
Subjects selected 81 students of 250 students from accidental sampling. They voluntarily participated in this laboratory and predictive group for validity test was 10 students from accidental sampling. Exercise load method was Bluce Treadmill Exercise Protocol.
There calculated mean and standard deviation about dependent variables of this study from SPSS/PC+ statistic program. The significant difference in dependent variables according to years calculated one-way ANOVA, and post hoc was calculated from DUNCAN Method. The significant level was 5%.
The predictive regression equations about cardiovascular functione were calculated from correlation, regression analysis and validity test between independent and dependent variables. Predictive regression equation adopted that a coefficent of correlation(R²) of predictive average value and measured average value is over 30%. Evaluation tables about cardiovascular function were devised 5 point scales. Superior and poor was 15% each, good and below average was 20% each, and average was 30%.
From the data obtained in this study the following conclusions are made:
1. Basic data of anaerobic threshold, maximal exercise, and percentage of anaerobic threshold level and maximal exercise level.
1) Heart rate was a significant difference in anaerobic threshold level at the fifteen and sixteen year old girls at the .05 level. Percentage of anaerobic threshold level and maximal exercise level was 79%.
2) The ventilation showed a significant difference in anaerobic threshold level and maximal exercise level at fifteen years of age(A) and at fourteen, sixteen years of age(B) at the .01 level. Percentage of anaerobic threshold level and maximal exercise level was 47%.
3) The maximal oxygen uptake appeared a significant difference in anaerobic threshold level at fifteen years of age(A) and at fourteen, sixteen years of age(B) at the .05 level. Percentage of anaerobic threshold level and maximal exercise level was 59%.
2. Predictive regression equation for cardiovascular function based on height, weight and years. The application of the stepwise multiple regression analysis for cardiovascular function based on height, weight and years revealed:
〈표 참조〉
1) The predictive regression equation for anaerobic threshold level of ventilation showed a high correlation coefficient (R² =0.4) between the independent variable and dependent variable at the .001 level. From the data obtained in this study the following conclusions are made: Y = 9.039+0.646*weight.
2) The predictive regression equation for maximal exercise level of ventilation was a correlation coefficient (R² =0.3) between the independent variable and dependent variable at the.001 level. From the data obtained in this study the following conclusions are made: Y = 20.168+0.941*weight.
3. Evaluation tables about cardiovascular function based on the heart rate, ventilation and oxygen uptake of girls' middle school students.
〈표 참조〉
4. Recommendations for further study
The results of this study could be applied for evaluable criterion of cardiovascular function. The evaluation tables can not be applied for athletes of girls' middle school because subjects were non-athletes of girls' middle school. As for the recommendations for further study, it is necessary to select many subjects and to do subjects in various groups for the purpose of enhancing confidence of this study.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 결론
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UCI(KEPA) : I410-ECN-0101-2009-692-016563429