남자대학생의 GXT와 셔틀런 검사를 통한 최대산소섭취량 예측과 신체구성도 간의 상관관계 연구

김상연 ( Kim Sang-yeon ),장완성 ( Chang Wan-song ),노호성 ( Noh Ho-sung ) 한국건강미용문화응용과학학회 2022 한국건강미용문화 응용과학회지 Vol.4 No.1

본 연구의 목적은 20~21세의 건강한 성인 남자 대학생들을 대상으로 하여 GXT에 의해 직접 측정된 최대산소섭취량(VO₂max)과 MSRT(multistage shuttle run test)를 통해 예측된 VO₂max와의 상호 관련성을 검토하며, 또한 CRF의 검증을 위해 활용될 필드 테스트 방법인 MSRT의 타당성을 제시하고 남자 대학생들의 신체구성 요소들과 VO₂max와의 연관성을 평가하였다. 연구 대상자는 20∼21세 건강한 남자 대학생 총 30명으로 신장, 체중, 체지방률, 체질량지수, VO₂max 그리고 MRST를 측정하였다. 본 연구에서 획득한 모든 자료는 SPSS 20.0 통계프로그램을 이용하여 VO₂max와 MSRT를 통해 예측된 VO₂max의 평균차이는 독립 t-test(Independent t-test)를 실시하였다. GXT와 MSRT의 두 검사 간의 일치성을 검증하기 위해 상관분석(Pearson’s correlation), Bland & Altman plot, LOA(Limit of agreement)분석을 실시하였으며, GXT와 MSRT 간의 차이 평균의 결과를 이용하여 95% 신뢰구간에서 lower limit과 upper limit을 산출하였다. 또한 GXT를 통해 측정된 VO₂max와 MSRT를 통해 측정된 VO₂max와 신체구성과의 상관관계를 알아보기 위해 상관분석을 실시하였으며, 모든 통계처리에 대한 유의수준(α)은 .05로 설정 하였다. 그 결과 성인 남자 대학생들을 대상으로 GXT를 통해 직접적으로 측정된 VO₂max와 MSRT를 통해 예측된 VO₂max 비교 결과 두 검사 간 유의한 차이가 나타나지 않았다. VO₂max와 MSRT를 통해 예측된 VO₂max의 상관분석 결과는 서로 유의한 정적 상관관계가 있는 것으로 나타났다. 또한, Bland & Altman plot과 LOA 분석을 사용한 결과 GXT를 통해 직접 측정된 VO2max와 MSRT를 통해 예측된 VO₂max의 차이 값은 0.2, 95% 신뢰구간의 범위는 -7.4∼7.7으로 나타났다. GXT를 통해 직접 측정된 VO₂max와 신체구성과의 상관분석과 MSRT를 통해 예측된 VO₂max와 신체구성과의 상관분석 결과 모두 유의한 상관관계가 나타나지 않았다. 결론적으로 GXT를 통해 직접적으로 측정된 VO₂max와 MSRT를 통해 예측된 VO₂max는 서로 차이가 없으며, 유의하게 정적인 상관관계가 있는 것으로 나타났다. 또한 GXT를 통해 직접적으로 측정된 VO₂max와 MSRT를 통해 예측된 VO₂max 모두 신체구성과는 유의한 상관관계가 없는 것으로 나타났다. The purpose of the study was to investigate the relation between VO₂max measured by GXT and VO₂max predicted by MSRT for healthy male university students aged 20 and 21. It also suggested the validity of MSRT which is the way of field tests to verify CRF, and evaluated the relation between VO₂max and components of subjects' body composition. The subject was limited to 30 healthy male university students aged 20 and 21 without any medical problems for examination and measurement. The physique and body composition were measured by 신장, 체중, body fat percentage, and body mass index (BMI). These all drew BMI. VO₂max was measured by two ways. In order to measure direct VO₂max, GXT was conducted using a treadmill, and Bruce protocol(Bruce et al., 1973) was used while measuring. MSRT was performed by the way designed by Leger & Lambert(1982), and conducted by using prepared music, CD Player, marking corns, and measuring tape. All data in the study was processed through SPSS 20.0 statistical program. Independent t-test was conducted to verify mean difference between VO₂max measured by GXT and VO₂max predicted by MSRT. Pearson’s correlation, Bland & Altman plot, and LOA(Limit of agreement) were conducted to test conformity between GXT and MSRT. Using the result of mean difference between GXT and MSRT, it yielded lower limit and upper limit in 95% confidence interval. Also, Pearson's correlation was conducted to know correlation between VO₂max measured by GXT, VO₂max measured by MSRT, and body composition. Significance level in all statistical processing was .05. The result from this study was as follows. Comparing VO₂max directly measured by GXT and VO₂max predicted by MSRT for adult male university students, two tests did not show significant differences. The correlation analysis showed that VO₂max directly measured by GXT and VO₂max predicted by MSRT were significantly correlated positively with each other. Also, as the result of using Bland & Altman plot and LOA analysis, difference value between VO₂max directly measured by GXT and VO₂max predicted by MSRT was 0.2, and the range of 95% confidence interval was -7.4 to 7.7. Both the result of correlation analysis between VO₂max directly measured by GXT and body composition and correlation analysis between VO₂max predicted by MSRT and body composition did not show a significant correlation. In conclusion, there was no difference between VO₂max directly measured by GXT and VO₂max predicted by MSRT, and it showed significantly positive correlation. Also, both VO₂max directly measured by GXT and VO₂max predicted by MSRT were not significantly correlated with body composition.

비만여성에 대한 감량프로그램이 체격 및 신체조성에 미치는 영향

유승희(Yu Seung-Hee),노호성(Noh Ho-Sung),이재문(Lee Jae-Mun) 한국체육과학회 2002 한국체육과학회지 Vol.11 No.2

The purpose of this study was to evaluate the effects of a weight-loss program in obese women. Forty-two subjects, aged 38.3±7.9 years, joined in the program that comprised diet and exercise conditioning. The exercise conditioning program consisted of a 60-min aerobic dance (3 d/wk). an lasted four months. As a result of the program, body mass and %body fat significantly decreased from 62.4±7.6 to 58.0±8.3 ㎏ and from 30.8±6.6 to 26.5±7.1% (P<0.05) respectively. Fat free mass (FFM) remained essentially unchanged (42.3±3.7 VS. 43.1±4.0 ㎏). About 10% of all subjects lost FFM by more than 2kg, and accordingly, their energy yield was not enough to maintain FFM. Among the subjects who successfully reduced excess fat and maintained FFM no change in energy yield and reduction in upper body fat were found. Conversely, the subjects who could not maintain FFM lost lean tissue in lower limbs. It is suggested that our weight-loss program with exercise is useful in improving body composition and diet ingestion. and that particularly aerobic dance is considered available for reducing excess fat.

형태특성과 기초 운동능력이 스프린트 달리기의 초기 가속율과 최대속도에 미치는 영향

김형돈(Kim Hyung-Don),노호성(Noh Ho-Sung) 한국체육과학회 2002 한국체육과학회지 Vol.11 No.2

The purpose of this study was to investigate the influence of morphological characteristic and motor abilities of college male students(n=38) to predict initial acceleration rate and maximal velocity in 50m sprint. For the tests of motor abilities several measures of lower extremities were administered in addition to anthropometric measurement. The data was analyzed using multiple linear regression analysis on SPSS statistical package. Although the somatotype of the subjects was classified as mesomorphic-endomorphy, body mass index(BMI) was classified as desirable BMI and %fat was under average classification. The correlation coefficient of initial acceleration rate with independent variable was very low except sargent jump(-0.533), side step, and endomorphy. The correlation coefficient of maximal velocity with independent variables showed that push up was best related with maximal velocity. As a result of multiple linear regression analysis sargent jump, endormorphy, and waist girth were selected as predictive variables to initial acceleration rate. On the other hand push up and endormorphy were entered as predictive variables for maximal velocity. In conclusion there exist different predictive factors to initial acceleration rate and maximal velocity, and anthropometric factors are not appropriate predictor for sprint performance. Also, the training status is another important consideration for this kind of research.

일본여성의 지역적 차이에 의한 초경지연의 발육학적 검증

藤井勝紀(Katsunori FUJII),노호성(Noh Ho-sung) 한국체육과학회 2009 한국체육과학회지 Vol.18 No.2

To elucidate delayed menarche in female athletes, Fujii established a system to evaluate delayed menarche by deriving the delay in menarche from the interval between age at MPV of height and age at menarche, while at the same time establishing judgments from regression evaluations of age at menarche against age at MPV of height. In this study, the system Fujii developed to evaluate delays in menarche was applied to the age at menarche of girls in the Tokai and Hokuriki regions of Japan, and we then investigated regional differences in delays in menarche between these two regions. The girls were 209 girls from the Tokai region and 96 girls from the Hokuriku region who underwent almost no sports training around the time of menarche. Longitudinal growth data on the girls’ height were obtained from health records from the first year of elementary school until the final (third) year of high school. The age at menarche was obtained from a questionnaire survey of the 209 girls in the Tokai region and 96 girls in the Hokuriku region. The delayed menarche evaluation system was applied to the age at menarche of girls from the Tokai and Hokuriku regions, and the average delay in menarche in the Hokuriku region was estimated from the interval between age at MPV of height and age at menarche. Regression evaluation of age at menarche against age at MPV of height was used to clarify the delay in menarche for individual girls in the Hokuriku region. It was shown that the proportion of girls with delayed menarche was significantly higher in the Hokuriku region than in the Tokai region. This was inferred to be from the effect of stress from living conditions that results from the characteristic climate of the Hokuriku region.