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경기 화성지역 중학생의 환경호르몬에 대한 지식수준과 식품포장재의 소비행동
권은화 ( Eun Hwa Kwon ),김성영 ( Seong Yeong Kim ) 한국식품조리과학회 2021 한국식품조리과학회지 Vol.37 No.5
Purpose: This study investigated the consumption behavior (positive and negative) of food packing materials and the knowledge level (low, medium and high groups) of endocrine disruptors, among middle school students (n=240) in the Hwaseong region. Methods: This research was conducted between 18 and 22 May, 2015, and was achieved using the questionnaire method. Data were analyzed by applying the chi-square test, t-test and one way ANOVA test. Results: Considering the gender ratio, higer knowledge level was obtained in girls than in boys (p<0.05). Difference of knowledge score by gender was also higher in girls in 4 of the factors evalulated: harmfulness (p<0.05), size of organism and accumulation (p<0.01), excessive using of pesticide in fruit (p<0.05), putting hot foods in plastic materials (p<0.05). Assessment of positive consumption behaviors revealed that girls (3.20 score) showed a higher score in caution of plastics or vinyls when putting hot food than boys (2.89 score, p<0.05). Conversely, evaluation of negative consumption behaviors revealed that boys showed a higher score in eating all the soup of cup ramen (boys 3.07 score, girls 2.54 score, p<0.01) and microwave cooking of cup ramen made of styrofoam (boys 2.19 score, girls 1.91 score, p<0.05). In the comparison of groups for positive consumption behavior by knowledge level, a higher score (3.33) was obtained by the high group in following recipe when using a microwave oven, than the low (2.70 score) and medium (3.17 score) groups (p<0.05). Moreover, the negative consumption behavior of reusing polyethylene terephthalate (PET) bottle to put hot water was higher in the low group (2.15 score) as compared to the medium (1.93 score) and high (1.63 score) groups (p<0.05). Conclusion: Taken together, our results indicated that to induce good consumption behavior of food packing materials, considering the gender need to take precedence when imparting knowledge improvement related to endocrine disruptors.
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노태환 ( Tae Hwan Rho ),권은화 ( Eun Hwa Kwon ),박은은 ( Eun Eun Park ),이행은 ( Hang Eun Lee ) 대한물리의학회 2009 대한물리의학회지 Vol.4 No.4
Purpose:We have investigated to analysis biomechanics for pinch strength due to elbow flexion degree. Methods:Pinch strength was measured by Electro Dynamometer(G-100) using four elbow flexion degree (0°, 45°, 90°, 135°). Results:In experimental results, we found that pinch strengths were 5.4kg(0°), 4.8kg(45°), 5.6kg(90°) and 5.2kg(135°), respectively. The Pinch strengths got maximum at 90°degree, minimum at 45°degree. We have calculated F1 values using Σ T-0. As a result F1 values were 540N(0°), 480N(45°), 560N(90°) and 520N(135°), respectively. F1 values got maximum at 90° degree, minimum at 45° degree. Data curve line of F1 values was increased in 45~90 section and decreased in 0~45, 90~135 sections, respectively. Conclusion:F1 (Flexor digitorum superficialis and profundus) values were 10 times bigger than pinch strengths. Data curve line of F1 values was similar to active length-tension curve in 45~90, 90~135 sections.
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