장기적인 흡연이 젊은 성인남성의 유산소 운동능력에 미치는 영향
The Effects of Chronic Smoking on Young Male Adults' Cardiorespiratory Function
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본 연구는 장기간 흡연이 젊은 성인 남성의 유산소 운동능력에 영향을 미치는 가를 알아보기 위해서 시행하였다. 연구의 대상자는 2005년 1월에서 12월까지 N센터에서 건강검진을 시행한 건강한 20대 성인 남성 199명으로 비흡연군 93명과 흡연군 106명(하루 평균 19.8±6.9개피, 흡연기간 7.7±2.7년)으로 구분하여 신체구성, 혈압, 폐기능, 최대산소섭취량, 운동중 최대심박수, 운동지속시간 등을 측정하였으며 그 결과는 다음과 같다. 첫째, 신체구성{체질량지수(BMI), 복부지방율(WHR), 체지방률(%fat)}, 안정시 혈압 및 심박수, 폐기능(FVC, FEV1.0) 집단간 유의한 차이는 없었다. 둘째, 최대산소섭취량, 운동중 최대심박수, 운동지속시간은 비흡연군이 흡연군보다 각각 높게 나타났다(p<0.05). 그러나 무산소성 역치는 차이가 없었다. 셋째, 흡연기간이 최대산소섭취량(r=-.160), 운동중 최대심박수(r=-.231), 운동지속시간(r=-.205)에서 유의한 상관관계를 보였으며(p<0.01), 흡연량에서는 최대산소섭취량(r=-.187), 운동중최대심박수(r=-.281), 운동지속시간(r=-.275)에서 유의한 상관관계를 보였다(p<0.05). 그 밖에 측정항목과의 의미있는 상관관계는 확인할 수 없었다. 지속적인 흡연이 20대의 성인 남성의 유산소 운동능력에 영향을 주는 것으로 나타났으며 안정시 심박수 및 혈압에는 영향을 주지 않는 것으로 나타났다. 흡연 이외에도 생활습관, 운동, 음주 등과 같이 다른 복합적인 요소가 신체에 영향을 미칠 수 있기 때문에 지속적인 연구가 진행되어야 할 것으로 사료된다.
Abstract
This study examined the effects of chronic smoking on young male adults' cardiorespiratory function. The examinees were composed of 199 young male adults of 20s who took medical investigation between January and December, 2005 at N Center. They were divided into two groups - smokers(106 people, smoking 19.8±6.9 cigarettes a day for 7.7±2.7 years); non-smokers - and took the measure of their body components, blood pressure, pulmonary capacity, VO2max, HRmax, and exercise duration time. The collected data were analyzed by one-away ANOVA and pearson correlations. The results were as follows. 1. There was no significant difference in Body components(BMI, WHR, %fat), pulmonary capacity(FVC, FEV1.0), rest heart rates and blood pressure(SBP, DBP) between two groups. 2. Maximal oxygen intakes(VO2max), maximal heart rates(HRmax) and exercise duration time of non-smokers were higher than those of smokers. However, there was no critical difference in threshold between two groups. 3. There were significant correlations between smoking duration and VO2max(r=-.160) and HRmax(r=-.231) and exercise duration time(r=-.205)(p<0.01). Also, there were important correlations between the number of cigarettes smokers smoke a day and VO2max(r=-.187), HRmax(r=-.281), and exercise duration time(r=-.275)(p<0.05). However, the results did not show significant correlations between smoking and the other variables. The results suggest that chronic smoking has negative effects on young male adults' cardiorespiratory function, whereas it has no effects on rest heart rate and blood pressure. It is necessary to study the relations between cardiorespiratory and additional behavioral and environmental factors such as smoking, drinking and lifestyle.
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