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The purpose of this study was to verify differences in anterior-posterior and medial-lateral balance control between the obese and normal weight female adults during quiet standing on force platform(normal surface) and narrow beam(narrow surface) with two legs and left leg. The mean and the standard deviation of COP_y and COP_x displacement were calculated. Analyses of data revealed that 1) Anterior-posterior and medial-lateral balance decreased as the areas of support-surface is narrowing. 2) There were not significant differences in the mean and the standard deviation of COP_y between the obese and the normal weight. 3) The standard deviation of COP_x of the obese was significantly larger as compared that of the normal weight. The mean and the standard deviation of COP_y and COP_x represented anterior-posterior and medial-lateral balance control respectively. Therefore, these results suggested that the obese have poor ability of medial-lateral balance control.
The purpose of this study was to test differences in postural stability and strategies of postural control between the obese and normal weight female adults during quiet standing on force platform(normal surface) and narrow beam(narrow surface) with two legs and left leg. The peak amplitude and the peak frequency of center of pressure(COP_y and COP_x) displacement were calculated by the frequency components analysis(FFT). Analyses of data revealed that 1) The peak amplitude of COP_y and COP_x increased as support-surface is narrowing. 2) The peak amplitude of COP_x of the obese was significantly larger as compared that of the normal weight. 3) The peak frequency of COP_y and COP_x increased as the difficulty of task is higher. 4) There were not significant differences in the peak frequency of COP_y and COP_x between the obese and the normal weight. Therefore, these results suggested that the obese have poor ability of medial-lateral postural stability and that the number of oscillation increase in order to enhance the movement adaptability in performing a difficult task.
Purpose: To investigate opthalmic optics students’ expectations of clinical practice and provide basic data for effective clinical practice management. Methods: A questionnaire survey was conducted on 219 students and analyzed statistically. Results: The expectations of clinical practice had an average score of 3.76 ± 0.63, with the lowest being school related expectations (3.60 ± 0.62). Expectations decreased with higher student grades (p = 0.000) and higher expectations for students interested in ophthalmology (p<0.05). The general expectation and expectations related to practice institutions were high amongst open-minded students (p<0.05). The higher the expectations related to training institutions, the higher the general expectations. The main factor influencing expectations of clinical practice was student grades and these expectations decreased with higher grades. Conclusions: Expectations of students’ clinical practice should be reflected in the clinical practice and academic and industry efforts are needed to address the reasons that lead to low expectations. 목적: 안경광학과 학생들의 임상실습 기대감을 파악하여 효율적인 임상실습 운영의 기초자료를 제시하고자 한다. 방법: 안경광학과 재학생 219명을 대상으로 설문조사를 실시하고 통계분석을 하였다. 결과: 임상실습 기대감은 평 균 3.76 ± 0.63이었고 학교 관련 기대감이 가장 낮았다(3.60 ± 0.62). 학년이 높아질수록 기대감은 감소하였으며(p = 0.000) 안과학에 관심이 있는 학생들의 기대감이 높았다(p<0.05). 개방성 성격의 학생들의 일반적 기대감과 실습기관 관련 기대감이 높았다(p<0.05). 실습기관 관련 기대감이 높을수록 일반적 기대감이 높았다. 임상실습 기대감 에 영향을 미치는 요인은 학년으로 나타났으며 학년이 높아질수록 기대감은 감소하였다. 결론: 학생들의 임상실습 기대감을 임상실습에 반영하고 기대감이 낮은 원인을 개선하려는 학계와 산업체의 노력이 필요하다.
In this study, 114 university students in Gyeonggi-do area were selected to measure the exophthalmometry and analyzed the relationship with age, distances between external orbitals and body mass index through regression analysis. The result are as follows: 1. The mean level of proptosis were 14.08±1.63mm on the right eye and 13.94±l.52mm on the left which the level of proptosis on the right eye was higher and there was no significant difference of gender; 2. There was a negative correlation between the level of proptosis and age which showed statistical significance (p<0.01). 3. Within the range of normal BMI, there was a correlation in which the level of proptosis increased as BMI increased, which showed a statistical significance (p<0.1). 4. The correlation between the level of proptosis and the distances between external orbitals showed no statistically significant difference. 안구돌출도와 외안와연간 거리는 검사자가 피검자와 마주앉아 피검자가 검사자의 비근부를 바라보도록 한 후에 Hertel 안구돌출계 (K-0161,Inami ,Japan) 를 사용하여 좌,우안을 대상으로 연속 2회 측정 후 평균값을 구하였으며 동시에 외안와연간의 거리도 측정하였다. 체질량지수(body mass index, BMI)는 피검자의 신장과 체중을 2회씩 측정하여 체중(kg)을 키 (m) 의 제곱으로 나누어 구하였다. 측정된 안구돌출도와 연령,외안와연간 거리,체질량지수의 관계를 알아보기 위해 회귀분석 (SAS 8.1 )을 실시하였다.