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The Relationship between Physical Activity and Quality of Life in International College Students
( Sechang Kwon ),( Jingu Kim ) 한국스포츠심리학회 2018 한국스포츠심리학회지 Vol.29 No.3
Purpose: The purpose of this study was to examine the relationship between physical activity (PA) and quality of life (QoL) in international college students who have had insufficient exercise time due to diverse challenges from new living and academic environments. Methods: A total of 193 (86 male and 107 female) international students from colleges and universities in North Carolina, U.S. completed all the questionnaires (Godin Leisure-Time Exercise and Quality of Life) for this study. Pearson’s correlation and multiple regression analyses were used to measure the relationship between PA and QoL and the influence of PA on QoL. Results: The results indicated the positive relationship between the sum of PA levels (mild, moderate and strenuous exercises) and all the subscales of QoL (cognitive, emotional, functional, integrated, physical, social and spiritual), however, there were no correlations between mild exercise and physical, moderate exercise and social, and strenuous exercise and two subscales of QoL (emotional and spiritual). In addition, the findings demonstrated the significant effects of the all PA levels on QoL in a positive direction. Conclusion: This study suggests that an appropriate level (mild and moderate exercises) of participations in physical activity in leisure time is able to contribute to the enhancement of the positive relationship with overall quality of life, especially in the aspect of psychological health promotion among international students.
심상으로 운동장을 반시계 방향으로 돌 때의 정서변화: 대뇌반구의 비대칭적 활성화에 관한 탐색적 연구
권세창 ( Kwon Sechang ),김진구 ( Kim Jingu ),김유진 ( Kim Yujin ) 한국체육학회 2020 한국체육학회지 Vol.59 No.3
본 연구의 목적은 왜 사람들이 운동장을 반시계방향으로 도는가에 대한 궁금증을 풀기 위한 예비연구이다. 참가자들이 시계 및 반시계방향으로 운동심상을 할 때 정서와 EEG 대뇌반구 비대칭의 차이지표를 분석하여 방향에 따른 심리적 변화를 알아보았다. 피험자는 평균나이는 20.5세의 대학생으로 총 20명(남자 10명, 여자 10명)을 대상으로 하였고, 피험자를 무작위로 두 그룹인 시계방향(CW)과 반시계방향(CCW)으로 나누어 실험을 진행하였다. 실험과제는 1인칭 시점의 운동심상 과제로 모든 피험자에게 1800ms 동안 화면에 나타나는 육상트랙의 곡선구간을 달리는 심상을 하도록 지시하였다. 뇌파의 주요 측정영역은 전전두영역(Fp1, Fp2), 전두영역(F3, F4), 중앙영역(C3, C4)이었고, 자료 분석은 측정영역의 알파파에 대한 집단 간 독립표본 t검정을 실시하였다. 본 연구결과로 전두엽에서 집단 간 유의한 비대칭 차이가 있는 것으로 나타났다. 특히, CW 그룹에서는 좌반구(F3)에 비해 우반구(F4)의 활동이 높은 것으로 나타났고, CCW 그룹에서는 우반구보다 좌반구의 활동이 상대적으로 높은 것으로 나타났다. 이와 같은 결과는 운동장을 시계방향으로 달릴 때는 부정적 정서가 그리고 반시계방향으로 달릴 때는 긍정적 정서가 나타날 수 있음을 의미한다. 이 연구는 운동 수행에 있어 방향성에 따라 정서적 변화가 다르게 나타날 수 있고, 이러한 정서적 변화들로 인해 방향편향이 결정되어질 수 있음을 신경생리학적으로 알아본 것에 그 의미가 있다. The purpose of this study was to investigate affective changes through EEG asymmetry when subjects run around each curved track, counterclockwise (CCW) and clockwise (CW). A total of 20 (10 females and 10 males; M age=20.5) subjects, all of whom were right-handed, participated in the study. According to different directional conditions, all subjects were randomly divided into two groups which were CCW and CW, and the gender ratio was definitely considered as the same. Using the motor imagery (MI) task, they were instructed to start MI when presented with a dynamic image showing the first person view of running a curved track in either direction for 1800ms. The frontal (Fp2-Fp1, F4-F3) and central (C4-C3) lobes of each subject were measured while they were performing MI. The independent t-test was conducted to determined differences in the alpha values between directional conditions. As a result, there was a significant difference in the frontal lobe (F4-F3) between conditions. Especially, subjects in the CW condition displayed greater right frontal activity (F4), while greater l eft f rontal activity (F3) was observed in the CCW condition. It means that running around a t rack counterclockwise is predictive of greater left frontal activity which indicates more positive affect while running around a track clockwise is expected to be greater right frontal activity which can be interpreted in association with negative affect. In conclusion, the result of this study demonstrated that affective changes can be appear depending on different directional conditions and then be closely associated to the formation of turning bias.