73

서 론

, ,

, , , ,

[1,2].

,

[3,4],

[5].

,

.

,

[6],

[6-8].

,

72%

[8].

.

,

. (O2max)

[9].

[10].

,

.

.

,

.

1.5 1

,

. ,

심폐지구력 검사로서 YMCA 스텝테스트와

최대산소섭취량 (O2max)간의 상관성

이온 김성수 김연수 손현진 김유미 최보율

서울대학교 체육교육과 한양대학교 의과대학 예방의학교실

원 저

74

,

.

,

.

45 65

57

YMCA

YMCA

.

연구대상 및 방법

1. 연구대상

, 45 65

,

. 62

,

5 57

.

,

.

2. 연구방법

.

, BMI(body

mass index) .

,

,

, 4

.

.

YMCA

,

.

10

.

(1)

Modified Bruce

,

(O2max)

[11].

,

.

12 , (RPE,

Borg 20 scale),

.

,

(O2max)

.

(respiratory exchange ratio = CO2 / O2) 1.15

,

(220- ) 95% .

75

3 2

[12]. O2max

.

,

. YMCA

YMCA

[13].

(30.5cm) 96

24

3 .

.

, 5 1

. 2

,

.

YMCA

7

.

3. 통계분석

,

χ2- t- . YMCA

Spearman

. .05

SPSS 14.0 .

연구성적

1. 대상자의 특성 및 심폐지구력(O2max)

25 , 32

, 50 .

, BMI

.

(O2max)

8.07ml/kg/min

(p<0.001, t- ). YMCA

1 7

, 1-2 good, 3-5 average, 6-7 poor

Men (Mean±SD)

N=25

Women (Mean±SD)

N=32t

Age (year) 50.64±5.22 50.09±4.57 0.421

Height (cm) 167.52±4.91 150.02±5.52 8.186**

BMI (kg/m2) 24.59±1.95 23.90±3.25 0.926

Rasting HR (bpm) 64.54±5.17 65.85±7.48 -0.560

VO2max (ml/kg/min) 43.02±10.08 34.95±5.81 3.795**

Grade of

Cardiorespiratory

Fitness by YMCA

step-test norm

good

(1 2)

9

(36.0%)

14

(43.8)

χ2 = 0.921average

(3 5)

14

(56.0%)

14

(43.8%)

poor

(6 7)

2

(8.0%)

4

(12.5%)

BMI; body mass index, HR; heart rate* p>.05** p>.001

Table Table Table Table 1. 1. 1. 1. Characteristics and Cardiorespiratory Fitness of Subject

76

(p>0.05, χ2- , Table 1).

2. YMCA 스텝테스트 결과와 최대산소섭취량간 상관관계

1 YMCA

1-7

. YMCA

Spearman

(r=-.646, p=0.001), (r=-.611, p<0.001)

(Figure 1).

, ,

60

VO

2m

ax

(ml/kg

/min

)

40

20

1 2 3 4 5 6 7

Grade of YMCA Step-test

SexMaleFemale

Spearman r; Male = -0.611 (p=0.001) Female = -0.656 (p<0.001)

Fig.Fig.Fig.Fig. 1.1.1.1. Scatter plots of correlation between O2max and YMCA Step-test in gender

Sex Variables Spearman r p

Male

Total (n=25) -.611 .001

Age (year) <50 (n=12) -.455 .088

50 (n=13) -.661 .038

Height (cm) <167.5 (n=12) -.892 <.001

167.5 (n=13) -.277 .360

Obesity (BMI ) <25 (n=15) -.543 .037

25 (n=10) -.830 .003

Rasting HR <65 (n=10) -.551 .064

65 (n=12) -.785 .007

Female

Total (n=32) -.656 .001

Age(year) <50 (n=17) -.731 .001

50 (n=15) -.744 .001

Height (cm) <155.2 (n=20) -.697 .012

155.2 (n=12) -.485 .030

Obesity (BMI ) <25 (n=19) -.656 .002

25 (n=13) -.669 .012

Rasting HR <65 (n=14) -.622 .017

65 (n=17) -.731 .007

BMI; body mass index, HR; heart rate

Table Table Table Table 2.2.2.2. Spearman correlation coefficient between YMCA step-test and VO2max in independent variable

77

YMCA

Spearman

2 .

50

,

,

.

5 [14]

40 50

. 167.5cm, 155.2cm

.

(p=0.360).

,

. 65

(Table 2).

고 찰

.

,

1.5 Rockport 1

, .

, .

,

(calibration) .

, [10],

.

Cooper 12

1.5 , 1

(Rockport 1-mile fitness walking test)

,

.

, , [15,16],

, [17,18]

,

,

,

(r=0.27 0.90)[19-21].

. 1943 Brouha

(Harvard step test)

.

1970

.

,

. ,

.

, .

[22,23].

[24,25]

.

.

[26

-28].

78

,

. ,

,

.

,

.

YMCA

(20 , ),

(30.5cm)

.

(1 )

,

.

( ; r=-0.656, ; r=-0.611)

(r=.32 .92)

[9,29-31].

, YMCA

.

YMCA

, ,

.

.

,

.

YMCA

2

. ,

.

결 론

YMCA

YMCA

.

YMCA

Spearman r=-.611,

r=-.656

.

,

YMCA

,

.

,

.

참고문헌

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Health-Related Approach. 5th. NY: McGraw-Hill,

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81

The purpose of this study is to determine that YMCA 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 YMCA step-test. There are at least more two days an interval between the tests.

Data were analyzed with a statistics program, SPSS version 14.0, 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. O2max value exhibited significant correlation with YMCA step test scale(male : r =-.611, p=.001 ; female:

r=-.656, p>.001). Our result is that validity of YMCA step-test is acceptable. YMCA 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.

: YMCA step-test, O2max, correlation

Correlation between YMCA step-test and maximum oxygen

consumption (O2max) as measurement tools for

cardiorespiratory

On Lee1), Sung-soo Kim

1), Yeon-soo Kim

1), Hyun Jin Son

2), Kim Yu-Mi

2), Bo Youl Choi

2)