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교각 안정화 운동이 몸통 근육의 근활성도와 근활성도 비에 미치는 영향
강승훈,이수영 기독보건학회 2014 전인건강과학회지 Vol.4 No.2
The purpose of this study was to investigate both relative muscle activity levels and ratios of local to global muscle activity, during bridging stabilization exercises. Twenty-fours healthy students volunteered to participate in this study. Subjects were required to complete the following four exercises: exercise 1, bridging position exercise: exercise 2, bridging position exercise with right leg lift exercise: exercise 3, bridging position exercise with right leg lift and hip/knee 0°∼90° flexion: exercise 4, bridging position exercise with right leg lift and swiss ball under leg, hip 0°∼30° abduction. Surface EMG signals were recorded from internal oblique (IO), rectus abdominal (RA), multifidus (MF), erecter spinae (ES) muscle during the exercises. RMS (root mean square) from selected trunk muscle was normalized by maximum voluntary isometric contraction (MVIC). One-way repeated of ANOVA with post-hoc Bonferroni`s correction was used to compare the differences in the muscle activity levels and ratios according to the types of exercise. The results of these muscles activites are as follows: The EMG activities of the muscles in exercise 2 showed significantly higher than those of muscle in exercise 1, 3, 4 (p<.05). The results of these muscles activity ratios are as follows: During all bridging exercises, the ratio of the IO/RA was very high due to relatively minimal activity of the rectus abdominis (RA). The relative muscle activity and the ratio of the back muscle demonstrated similar activity levels for all exercise. This study suggests that bridging exercise with leg lift is the most effective in lumbar bridging stabilization exercise. Also we provide useful information that will inform future studies on how bridging stabilization exercise affects muscle activity levels and ratios of local to global muscle activity.
도윤경 기독보건학회 2014 전인건강과학회지 Vol.4 No.2
Objectives: The purpose of this study was to investigate the relationship between body image characteristics, self-esteem, and the tendency of interpersonal relations. Methods: The data was collected as a self-administered questionnaire survey method by the 443 men and women college students from 1st of April to 20th of April 2013 in a college located in Daejeon city. It was used by SPSSWIN 18.0 and analyzed by frequency and descriptive analysis, chi-square test, and multi regression analysis. Results: 1) In case of women students, perceived body-shape as obesity, body dissatisfaction, body-shape stress was high. In case of men students, perceived body-shape as thin was high. 2) The higher over weight, perceived body-shape as obesity, body satisfaction, the tendency of interpersonal relations was high in men students. 3) The factors that related to the tendency of interpersonal relations were self-esteem in men and women students and body-shape stress in women students. Conclusions: Since it was certified that body image characteristics and self-esteem were related with the tendency of interpersonal relations, therefore it necessarily should study more on these factors in detail afterward.