심폐지구력검사로서 YMCA 스텝테스트와최대산소섭취량 ( O 2max ) 간의상관성

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1 원저 심폐지구력검사로서 스텝테스트와최대산소섭취량 ( O 2max ) 간의상관성 이온김성수김연수손현진김유미최보율 서울대학교체육교육과 한양대학교의과대학예방의학교실 서론 [8] [34] [12] ( O 2max) [9] [5] [10] [6] [6-8] 72%

2 mass index) 4 연구대상및방법 1 연구대상 연구방법 10 (1) [11] Borg 20 scale) Modified Bruce ( O 2max) 12 (RPE ( O 2max) BMI(body (respiratory exchange ratio = CO 2 / O 2) 115 (220- ) 95% 74

3 3 2 [12] O 2max 3 통계분석 7 χ 2 - t- [13] (305cm) Spearman 05 SPSS 140 연구성적 1 대상자의특성및심폐지구력 ( O 2max) BMI ( O 2max) 807ml/kg/min (p<0001 t- ) good 3-5 average 6-7 poor Table 1 Characteristics and Cardiorespiratory Fitness of Subject Men (Mean±SD) N=25 Women (Mean±SD) N=32 Age (year) 5064± ± Height (cm) 16752± ± ** BMI (kg/m 2 ) 2459± ± Rasting HR (bpm) 6454± ± VO2max (ml/kg/min) 4302± ± ** Grade of Cardiorespiratory Fitness by step-test norm good (1 2) average (3 5) poor (6 7) BMI; body mass index HR; heart rate * p>05 ** p>001 9 (360%) 14 (560%) 2 (80%) 14 (438) 14 (438%) 4 (125%) t χ 2 =

4 Sex Male Female VO2max (ml/kg/min) Grade of Step-test Spearman r; Male = (p=0001) Female = (p<0001) Fig 1 Scatter plots of correlation between O2max and Step-test in gender (p>005 χ 2 - Table 1) 2 스텝테스트결과와최대산소섭취량간상관관계 (r=-646 p=0001) Spearman (r=-611 p<0001) (Figure 1) Table 2 Spearman correlation coefficient between step-test and VO2max in independent variable Sex Variables Spearman r p Total (n=25) Age (year) <50 (n=12) (n=13) Height (cm) <1675 (n=12) -892 <001 Male 1675 (n=13) Obesity (BMI ) <25 (n=15) (n=10) Rasting HR <65 (n=10) (n=12) Total (n=32) Age(year) <50 (n=17) (n=15) Height (cm) <1552 (n=20) Female 1552 (n=12) Obesity (BMI ) <25 (n=19) (n=13) Rasting HR <65 (n=14) (n=17) BMI; body mass index HR; heart rate 76

5 Spearman [14] cm 1552cm [1516] [1718] (r= )[19-21] 1943 Brouha (Harvard step test) (p=0360) 65 (Table 2) 고찰 Rockport 1 [2223] (calibration) [10] [2425] 15 1 (Rockport 1-mile fitness walking test) Cooper 12-28] [26 77

6 결론 (20 ) (305cm) (1 ) ( ; r=-0656 ; r=-0611) Spearman r=-656 r=-611 (r=32 92) [929-31] 2 참고문헌 1 Kellum JM DeMaria EJ and Sugerman HJ The surgical treatment of morbid obesity Curr Probl Surg 1998;35: Hubert HB Feinleib M McNamara PM Castelli WP Obesity as an independent risk factor for cardiovascular disease: a 26-year follow-up of participants in the Framingham Heart Study Circulation 1983;67: Blair SN Kampert JB Kohl HW 3rd Barlow CE Macera CA Paffenbarger RS Jr Gibbons LW Influences of cardiorespiratory fitness and other precursors on cardiovascular disease and all-cause mortality in men and women JAMA 1996;276: Erikssen G Physical fitness and changes in mortality: the survival of the fittest Sports Med 2001;31: Lee IM Paffenbarger RS Jr Do physical activity and physical fitness avert premature mortality? 78

7 Exerc Sport Sci Rev 1996;24: Williams PT Physical fitness and activity as separate heart disease risk factors: a meta-analysis Med Sci Sports Exerc 2001;33: Blair SN Cheng Y Holder JS Is physical activity or physical fitness more important in defining health benefits? Med Sci Sports Exerc 2001;33: S Myers J Kaykha A George S Abella J Zaheer N Lear S Yamazaki T Froelicher V Fitness versus physical activity patterns in predicting mortality in men Am J Med 2004;117: Sykes K Roberts A The Chester step test a simple yet effective tool for the prediction of aerobic capacity Physiotherapy 2004;90: ACSM s Guideline for Exercise Testing and Prescription Seventh Edition LIPPINCOTT WILLIAMS & WILKINS p 11 Heyward VH Advanced Fitness Assessment and Exercise Prescription 5th IL: Human Kinetics p 12 Nieman DC Exercise Testing and Prescription: A Health-Related Approach 5th NY: McGraw-Hill p 13 Nieman DC Exercise Testing and Prescription: A Health-Related Approach 5th NY: McGraw-Hill p Cureton KJ Sparling PB Evans BW Johnson SM Kong UD Purvis JW Effect of experimental alterations in excess weight on aerobic capacity and distance running performance Med Sci Sports 1978;10: Katch FI McArdle WD Czula R and Pechar GS Maximal oxygen intake endurance running performance and body composition in college women Res Q 1973;47: Costill DL Fox EL Energetics of marathon running Medicine and Science in Sports 1969;1: Costill DL Thomason H Roberts E Fractional utilization of the aerobic capacity during distance running Med Sci Sports 1973;5: Burke EJ Validity of selected laboratory and field tests of physical working capacity Res Q 1976; 47: George JD Vehrs PR Allsen PE Fellingham GW Fisher AG O 2max estimation from a submaximal 1-mile track jog for fit college-age individuals Med Sci Sports Exerc 1993;25: Zwiren LD Freedson PS Ward A Wilke S Rippe JM Estimation of O 2max: a comparative analysis of five exercise tests Res Q Exerc Sport 1991; 62: Rhyschon T Kemp M Jonson S Relationship between heart rate during submaximal stepping and O 2 in pre-pubescent children Supplement to Med Sci Sports Exerc 1991;23:Abstract No Shahnawaz H Influence of limb length on a stepping height J Appl Physiol 1978;44: Weller IM Thomas SG Corey PN Cox MH Prediction of maximal oxygen uptake from a modified Canadian aerobic fitness test Can J Appl Physiol 1993;18: ;9: Francis K Brasher J A height-adjusted step test for predicting maximal oxygen consumption in males J Sports Med Phys Fitness 1992;32: ;10: ;29: Cureton KJ Sparling LF Interpretation of the cardiovascular component resulting from the factor analysis of 104 test variables measured in 100 normal young men J Sports Med Phys Fitness 1964;4:

8 30 devries HA Klafs CE Prediction of maximal oxygen intake from submaximal tests J Sports Med Phys Fitness 1965;5: McArdle WD Katch FI Pechar GS Jacobson L Ruck S Reliability and interrelationships between maximal oxygen intake physical work capacity and step-test scores in college women Med Sci Sports 1972;4:

9 Correlation between step-test and maximum oxygen consumption ( O 2max ) as measurement tools for cardiorespiratory On Lee 1) Sung-soo Kim 1) Yeon-soo Kim 1) Hyun Jin Son 2) Kim Yu-Mi 2) Bo Youl Choi 2) The purpose of this study is to determine that step-test is useful method of cardiovascular fitness field-test for large scale study of epidemiology 57 adults participated in this study They are recruited considering subject s clinic status and gender proportion Cardiorespiratory fitness of each participant was determined by grade exercise testing(gxt) with gas analysis and step-test There are at least more two days an interval between the tests Data were analyzed with a statistics program SPSS version 140 by applying Spearman correlation coefficient and independent t-test and Fisher s exact test with a statistical significant level of α<05 The results of this study were as followed O 2max value exhibited significant correlation with step test scale(male : r =-611 p=001 ; female: r=-656 p>001) Our result is that validity of step-test is acceptable step test is vary efficient as dimension of investigator s and subject s effort then the other field-test for assessment of cardiorespiratory Therefore Step test is useful for large scale study of epidemiology : step-test O 2max correlation 81