체중조절 방법에 따른 휴식기 대사량, 호흡율 및 신체계측치의 변화
Change of Resting Energy Expenditure(REE) and Respiratory Quotients(RQ), and Anthrometric data According to The Various Weight Loss Methods and Prediction Effects of Resting Energy Expenditure(REE) and Respiratory Quotient(RQ) in Weight Control
안동성 (안신경정신과의원)
이민규 (경상대학교)
이혜경 (나눔신경정신과의원)
허시영 (나눔신경정신과의원)
김민숙 (인제대학교의과대학상계백병원 정신과학교실)
홍지영 (단국대학교 일반대학원 체육학과)
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초록
본 연구는 체중조절 방법이 휴식기 에너지 소비량(resting energy expenditure : REE)에 어떤 영향을 주는지를 알아보고, 특히 신체계측치의 변화가 체중조절 방법에 따른 체중변화의 내용을 예측하는지, 에너지 소비 지표중 하나인 REE와 호흡율(respiratory quotients: RQ)이 체중감소를 예측하는 지표로서의 의의가 있는지를 알아보기 위해 이루어졌다. 참여자는 서울시내 소재 여자대학에 재학중인 학생으로 본 연구목적에 동의한 여학생 중 신체질량지수가 23이상으로 과체중에 속하고 식사문제와 심리적 문제 및 기본적인 신체검사에서 이상소견이 없는 47명을 대상으로 하였다. 이들을 본인의 선호에 따라서 체중조절방법 가운데 식사조절 15명, 운동조절 18명, 약물투여 (일일 reductil 10mg) 14명을 할당하였다. 참여자 가운데 탈락된 9명(식사조절군 4명, 운동조절군 3명, 약물투여군 2명)을 제외한 38명의 자료를 최종 분석하였다. 식사조절군은 REE 검사를 근거로 현재 체중을 유지하는데 필요한 열량에서 일일 500kcal를 줄인 열량을 처방하였고 운동조절군은 운동부하검사를 실시하여 현재 체중을 유지하는데 필요한 열량에서 일일 500kcal를 소비할 수 있는 유산소 운동과 근력운동 처방하여 실시할 수 있도록 하였다. 약물투여군은 reductil 10mg을 투여하고 1개월 동안 약물을 복용하고 2kg이하로 변화가 온 경우에는 15mg을 투여하였다. 프로그램 시작 시, 1개월 후, 그리고 3개월 후 신체계측치와 REE, RQ를 측정한 결과,. 체중조절 방법에 따라 시간의 경과에 따른 REE의 변화와 RQ의 변화가 전체적으로는 유의한 차이를 보이지 않았으나 각 방법에 따라 시간에 따른 REE의 변화양상과 RQ의 변화양상은 다를 수 있는 가능성을 보여주었다. 그리고 체중조절 방법에 따라 시간의 경과에 따른 각종 신체계측자료는 각 군에서 유의한 차이를 보이지 않았으나 체중변화와 FFM, FM 및 WC의 변화 양상은 세군 간 다른 양상을 보였다. 초기 REE 값이나 RQ가 단기적이기는 하나 3개월간의 체중변화를 예측하는데 유의하지 않았다. 이런 결과는 효과적인 체중조절을 위해 체중조절 경과에 따라 체중조절 전략을 변화시키는 것이 유용할 수 있음을 시사한다. 마지막으로 본 연구의 제한점과 미래 연구에 대해서 논의하였다.
- keywords
- Resting Energy Expenditure, Respiratory Quotients, Anthrometric data, Weight Loss Methods, Prediction Effects, Resting Energy Expenditure, Respiratory Quotients, Anthrometric data, Weight Loss Methods, Prediction Effects, 휴식기 에너지 소비량, 호흡율, 신체계측치, 체중조절 방법, 예측효과
Abstract
This study was tried to investigate that REE and RQ changes, and contents of weight loss might be different by weight control methods and to prove the prediction effects of REE and RQ for weight changes. For these purposes, 62 college women(BMI>23) were voluntarily recruited to response for advertizing. With the 2nd stepped selection procedures, 47 persons(15 diet group, 18 exercise group and 14 medication(Reductil 10mg-15mg/d) group) were finally selected. During the 3months course of study, 9 persons(4 for dieting group, 3 for exercise group and 2 for medication group) were dropped. Persons of diet group were forced to maintain 500kcal deficit per day of food intake on the basis of estimated daily requirements by REE at start point and present level of activity. Persons of exercise group also forced to maintain 500kcal deficit per day by exercise on the basis of estimated daily requirements by REE at start point and present level of food intake. Persons of medication group were maintained 10mg-15mg of Reductil per day and forced to maintain present level of food intake and activity. All persons should keep the write the daily eating diary and activity diary with pedometer and were monitored by specialists on weekly basis. Group LEARN program was done weekly for each group. At start, after 1month, and 3 months, anthrometric data(weight, BMI, FFM, FM, WC), REE and RQ were obtained. The results were as follows. First, There were no significant differences among three groups in the changing amounts of REE and RQ during 3 months. For each group, there was no significant change in the value of REE and RQ. However, changing patterns of REE and RQ according to time process were different by groups. Second, there were significant differences for each group in the changing amounts of weight, BMI, FFM, FM and WC during 3 months but there were no significant differences among three groups. However, changing patterns of FFM, FM and WC according to time process were different by groups. This might suggest that even weight loss was achieved, changing contents could be different by weight control methods. Third, REE and RQ value had no prediction effects for 3 months duration weight changes. Result that changing patterns of REE and RQ according to time process were different by groups even that there were no significant differences among three groups in the changing amounts of REE and RQ during 3 months may suggest that major weight control strategies can be arranged or mixed for effective weight control to keep the high REE and low RQ during the courses of weight control. Negative result for the prediction effects of REE and RQ may suggest the necessary to investigate it's relation with amounts of weight change or/and time lags after weight change.
- keywords
- Resting Energy Expenditure, Respiratory Quotients, Anthrometric data, Weight Loss Methods, Prediction Effects, Resting Energy Expenditure, Respiratory Quotients, Anthrometric data, Weight Loss Methods, Prediction Effects, 휴식기 에너지 소비량, 호흡율, 신체계측치, 체중조절 방법, 예측효과
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