• Title, Summary, Keyword: body weight

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A Pilot Study of the Effects of an 8-week School-Based Weight Loss Program on Obesity, Shape Satisfaction, and Shape Esteem in Obese Children (비만 아동에서 8주간의 학교 체중 조절 프로그램 실시 후 비만도, 체형 만족도 및 체형 존중감 변화에 대한 예비연구)

  • Nam, Jung-He;Kim, Soo-Kyung;Kim, Hyun-Jung
    • The Korean Journal of Food And Nutrition
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    • v.22 no.2
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    • pp.286-292
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    • 2009
  • This study was conducted to examine the effects of an 8-week weight loss program, on body composition, body shape satisfaction, body shape esteem in 15 obese children. This program included nutritional education and regular physical fitness. After completion of this program, height and body weight increased slightly but body compositions changed. BMI, degree of obesity, and body fat levels dropped slightly, however these differences were not significant. After the 8-week program body weight increased from $63.61{\pm}8.80\;kg$ to $64.07{\pm}9.11\;kg$, degree of obesity and BMI decreased from $151.73{\pm}13.62%$, and $29.08{\pm}2.35$ to $146.60{\pm}12.92%$, and $28.57{\pm}2.26$, respectively, and the percentage of body fat decreased slightly from $42.70{\pm}4.87%$ to $41.46{\pm}4.88%$. There were slight changes in weight of body muscle and lean body mass from $19.62{\pm}3.48\;kg$ and $36.17{\pm}5.78\;kg$ to $20.30{\pm}3.64\;kg$ and $37.16{\pm}6.18\;kg$, respectively. LBM and amount of muscle were higher after this weight loss program. The body shape esteem score increased from $7.60{\pm}4.01$ to $9.00{\pm}6.20$. There was no significant difference in body shape satisfaction before and after the program, and the participants also wanted to be leaner. Finally, body weight, BMI, and body fat showed negative correlations to body shape esteem.

A Study on Weight Control Attempt and Related Factors among College Female Students (여대생들의 체중조절 실태 및 관련 요인에 대한 연구)

  • 김경원;이미정;김정희;심영현
    • Korean Journal of Community Nutrition
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    • v.3 no.1
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    • pp.21-33
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    • 1998
  • The purpose of this study was to investigate the weight control attempts and related factors among 220 female college students in Seoul. Factors examined included body image, body satisfaction, interest in weight control, beliefs related to weight control, social norms, social expectations regarding subjects' body size and weight change. Data were analyzed using t-test and chi-square test(at $\alpha$=0.05). The average height and weight of subjects were 160.7cm, 52.2kg respectively. BMI and body fat(%) were 20.2 and 25.2%, respectively. One hundred seventy two students(78.2%) had attempted to control their weight, mainly to lose weight, and were categorized as the weight control attempt group. Subjects used diet modification as well as unhealthy method to control weight. 48.2% in the attempt group were underweight or normal weight(by BMI), suggesting that their weight control attempts were was unnecessary. Students in the attempt group described their own size as heavier than those in the no-attempt group(p<0.01) or other girls of their age(p<0.05) ; more dissatisfied with their body size(p<0.01), and showed more interest in weight control(p<0.01). Several differences in beliefs were also noted(p<0.001). The attempt group believed less strongly in the harmful effects or difficulties in weight control and believed more strongly in the advantages of weight control. With respect to social factors, the attempt group perceived that their family and friends wanted them to be smaller than they were(p<0.001), perceived that significant others felt that they should lose weight(p<0.05). These results suggest that educational programs for college female students should start focusing on the harmful effects of excessive dieting and information about desirable weight control methods. Students should be helped to have a correct body image. In addition, educational programs should incorporate strategies to change beliefs regarding weight control, as well as modifying social expectations from significant others.

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Effects of Rapid Weight Loss on Body Composition and Heinz Body Formation in Middle-School Wrestlers (중학교 레슬링 선수의 단기간 체중 감량이 신체 구성과 적혈구 Heinz body 형성에 미치는 영향)

  • Kim, Jong-Oh;Kim, Young-Uk;Yoon, Jin-Hwan
    • Journal of Life Science
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    • v.16 no.6
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    • pp.884-889
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    • 2006
  • The purpose of this study was to examine the changes of body composition and heinz body blood component after 3 days rapid weight loss(5.16% of total body weight) through combined method with total food restriction and dehydration. The result were as follows: The average weight showed a significant difference between before and after rapid weight loss(p < .05). The percentage of body fat showed some decrease in average with $12.14{\pm}1.80\;(%)$ after weight decrement in an average of $12.68{\pm}1.69\;(%)$ before rapid weight loss, but the difference that noted did not show. The body fluid showed a significant difference between before and after rapid weight loss(p < .05). RDW, ESR, and Heinz body formation showed a significant increase after rapid weight loss. It was concluded that rapid weight loss techniques result in deleterious effects on body composition and red blood cell in middle school wrestler.

Correlations Between Waist-Hip Ratio, Body Fat, BMI(Body Mass Index), Relative Body Weight and Serum Lipids by Men and Women (성별 허리둔부둘레비, 체지방율, 체질량지수, 비체중과 혈청지질 간의 상관관계)

  • 김희승
    • Journal of Korean Academy of Nursing
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    • v.29 no.3
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    • pp.596-604
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    • 1999
  • This study aims at examining the correlations between waist-hip ratio, body fat, BMI, relative body weight and serum lipids by men and women in 40's and 50's. The subjects were 412 adults, who had regular health examinations between January and December of 1996 at S-Hospital in Seoul. The data were analyzed using unpaired t -test and Pearson correlation coefficient. The results were as follows : 1. The group of men had higher levels in waist-hip ratio, BMI, body weight , triglyceride, total cholesterol /HDL-cholesterol ratio , LDL-cholesterol /HDL-cholesterol ratio than the group of women. The group of women had higher levels in body fat and HDL-cholesterol than the group of men. 2. In the group of men, waist-hip ratio was more significantly correlated to serum lipids than body fat and BMI. In the group of women, body fat, BMI and relative body weight was more significantly correlated to serum lipids than waist-hip ratio.

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The Development of Nutrition Education Program for Improvement of Body Perception of Middle School Girls (I);The Analysis of Problems According to the Body Perception of Middle School Girls (여중생의 체형인식 개선을 위한 영양교육 프로그램 개발(I);여중생의 체형인식에 따른 문제점 분석)

  • Soh, Hye-Kyung;Lee, Eun-Ju;Choi, Bong-Soon
    • Journal of the Korean Society of Food Culture
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    • v.23 no.3
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    • pp.403-409
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    • 2008
  • Recently, the desire for low body weight, which is an abnormal weight construct along with obesity, has become an evident and serious problem in teenagers. In Korea, the desire for low weight is not perceived as an important problem, but it is rapidly expanding relative to the physical changes and developmental issues teenagers experience. The social atmosphere presented through mass media is the key influencer for the increasing low weight occurrence in teenagers. Because thoughts about beauty have changed among people, and since there is apparent blind interest in slim body shape and appearance, already low-weight individuals are attempting to lose weight along with obese persons. Thus, we consider it necessary to guide teenagers toward having correct perceptions with regard to weight and their own body shape, and that a healthy and appropriate weight is beautiful. Therefore, for this study, we investigated body perception, abnormal weight, attitude toward weight control, and factors related to eating behavior among teenage girls, who are considered the at risk group for overt body weight control behavior. Based on this, we have attempted to set in motion a systematic and active nutrition education program that will allow us to increase body satisfaction by educating on nutritional issues related to development, and ultimately, implant healthy body shape perceptions.

Correlation between Body Weight and Colony Development of the Bumblebee Queen, Bombus ignitus

  • Yoon, Hyung Joo;Kim, Sam Eun;Lee, Sang Beom;Park, In Gyun;Seol, Kwang Youl
    • International Journal of Industrial Entomology
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    • v.9 no.1
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    • pp.95-99
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    • 2004
  • This study was carried out to investigate the effect of body weight of queen on the developmental characteristics of foundation queens in the Bombus ignitus collected in Korean locality. Queens were classified into six groups based on their body weight (i.e., 0.4 g, 0.5 g, 0.6 g, 0.7 g, 0.8 g and 0.9 g). The average weight of 200 foundation queens collected was 0.657${\times}40.095 g and 0.6 g-class was most abundant (38 %) among six weight classes. The queen that had the heavy body weight showed the trends of higher rate of oviposition, colony foundation and progeny-queen production and shorter periods of preoviposition and colony foundation, suggesting the positive correlation between the body weight of queen and colony developmental characteristics. Also, the numbers of worker and progeny-queen emerged from the queen with heavy body weight were slightly higher than those with light body weight queen.

Estimation of Growth Curve Parameters for Body Weight and Length in Miniature Pigs

  • Kang, Hyun Sung;Nam, Ki Chang;Cabling, Meriam M.;Lee, Myeong Seop;Choi, Te Jung;Yoon, Jong Taek;Seo, Kang Seok
    • Journal of Animal Science and Technology
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    • v.54 no.6
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    • pp.395-400
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    • 2012
  • This study was conducted to estimate the growth curve parameters for the body weight (BW) and body length (BL) of miniature pigs in Korea. Growth curve parameters were estimated through a nonlinear regression model using Gompertz, Logistic, and von Bertalanffy methods. A total of 25 piglets were measured monthly from birth up to 15 months of age to estimate both body weight and length. Results showed that the estimated average values for the body weight (body length) were 31.83 kg (58.77 cm) for the mature weight (A), 3.06 (1.74) for the growth ratio (${\beta}$), and 0.28 (0.52) for the maturing rate (${\kappa}$). Average inflection points showing maximum growth rate estimated each month for body weight were 3.97 kg and 11.70 cm, while for the body length were 1.06 kg and 21.61 cm. Moreover, the estimated maturation rates of the body weight and length for the group of Sire 1 were 0.22 and 0.40 respectively, whereas for the group of Sire 2 these values were 0.34 and 0.39. On the other hand, for the groups of Dam 1, Dam 2, and Dam 3, maturation rates for their body weights were 0.26, 0.28 and 0.33 respectively, while for their body lengths these values were 0.43, 0.37, and 0.38, respectively. The study also indicated a negative relationship between the values of mature weight and maturity rate for the body weight will result to a higher inflection point which is in contrast for the body length where results show that a positive relationship between the values of mature length and the maturity rate will result to a higher inflection point. Furthermore, the growth performance of miniature pig varies across stages but using these estimated growth curve parameters could improve the genetic traits of miniature pig.

Antiobesity Effect of Estrogen on Ovariectomized Rat (난소절제 흰쥐에서 Estrogen의 항비만 효과)

  • 정수연;유태무;양지선;류항묵
    • YAKHAK HOEJI
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    • v.43 no.1
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    • pp.111-116
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    • 1999
  • Obesity is a chronic disease that is increasing in prevalence and that poses a serious risk for the hypertension, osteoporosis, heart disease, diabetes mellitus and certains forms of cancer. This study was performed to develop of obesity animal model and to assess the pharmacological assay for the rats of 8 weeks or 4 days after ovariectomization treated with estradiol for 8 weeks on the body weight. fat weight and food intake. The body weight, fat weight and food intake increased in the ovriectomized rats. In the rat of 8 weeks after ovariectomization treated with estradiol (250 mg/100 g) 8 weeks, the body weight decreased significantly (p<0.05). In the rats of 4 days after ovariectomization treated with estradiol 8 weeks, the body weight decreased significantly (p<0.05). These results suggest that estrogen plays a role in regulation body weight response to food intake and fat weight.

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Weight Control and its Related Factors among Children: A Gender-based Approach (아동의 성별에 따른 체중 조절 실태 및 관련 요인에 관한 연구)

  • Kim, Yu-Jeong
    • Journal of the Korean Home Economics Association
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    • v.45 no.4
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    • pp.113-122
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    • 2007
  • The purpose of this study was to investigate weight control and the relative influence of individual variables affecting children's attempts to control weight. The study subjects were 319 elementary school children. First, the average body height and weight of the children who participated in this study was somewhat larger in boys and similar in girls, as compared with the normal body shape of Korean children. More boys were classified as overweight than girls, based on BMI. Both boys and girls were dissatisfied with their body shape, and especially the girls showed higher dissatisfaction rate than the boys did. Almost half of the children were concerned about weight control and girls had higher concern than boys. Of the children, 38.8% had controlled their weight; however there was no difference between their sexes. There were significant differences between children who had and had not experienced weight control in the following variables: stress caused by obesity, body satisfaction, BMI, subjective body shape perception and concern about weight control. Therefore, discriminant function analysis was performed to determine the discrimination of these variables between the two groups. From the analysis results, the most critical factor was BMI in the boys and concern about weight control in the girls. This finding should be reflected in the design of weight control programs for children i.e., boys should be encouraged to perceive correctly their own body shape and to control weight by maintaining a well-balanced diet and moderate exercise over a long period of time, rather than by skipping meals, while girls should be inspired with sound values and attitudes regarding their body shape, rather than provided with the concrete information on how to control weight.

Comparative study on body shape satisfaction and body weight control between Korean and Chinese female high school students

  • Ro, Yoo-Na;Hyun, Wha-Jin
    • Nutrition Research and Practice
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    • v.6 no.4
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    • pp.334-339
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    • 2012
  • This study was conducted to compare body shape satisfaction, body image perception, weight control status, and dietary habits of Korean and Chinese female high school students in order to provide information for proper body image perception of adolescents. 221 students in Yongin, a city in Korea, and 227 students in Weihai, a city in China, were surveyed using questionnaires. Body shape satisfaction was significantly higher in Chinese students (P < 0.001) compared to Korean students. 76.2% of Korean students and 72.7% of Chinese students wanted a thinner body shape than their present body shapes. Experiences of weight control, laxative or diuretics uses, eating during weight control, and vomiting after eating were significantly higher in Korean students (P < 0.05-P < 0.001) compared to Chinese students. The score for dietary habits was significantly higher in Chinese students (P < 0.001) compared to Korean students, suggesting a more desirable dietary habit among Chinese students. Students of both countries showed a significantly positive correlation between body shape satisfaction and dietary habits, suggesting that as body shape satisfaction increases, dietary habits become more desirable. In conclusion, Korean female students showed a more distorted body image perception and had more poor dietary habits than Chinese students. Nutritional education for the establishment of normal body weight, proper body image perception, and healthy dietary habits are needed.