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여성 어르신의 신체활동 빈도에 따른 혈중지질, 인지능력의 차이
정한상,이봉근 한국스포츠학회 2017 한국스포츠학회지 Vol.15 No.3
본 연구는 65세 이상의 여성 어르신 18명을 대상으로 6개월간 신체활동 참여빈도(무활동, 주 3회, 주 5회)에 따 라서 혈중지질과 인지능력의 차이를 분석하였으며, 노인체육 지도자와 어르신들에게 신체활동 수행의 절대성과 인식을 돕기 위한 기초자료를 제공하고자 한다 . 연구 결과에서 주 3회 및 5회 수행하는 어르신들은 신체구성, 혈중지질과 인지 능력이 무활동 어르신에 비해 긍정적인 결과를 나타내었으며, 특히, 주 5회 수행 어르신들은 근육량, 고밀도 지단백 콜 레스테롤(HDL-C), 신경반응 속도에서 통계적으로 유의한 의미가 나타났다. 이와 같은 결과는 어르신들의 원활한 일 상 활동을 위한 기능적인 면에 긍정적인 영향을 줄 것이며, 질병 및 사고 위험을 예방할 수 있을 것이라 생각된다. 따라서 어르신들에게 있어 주3회 이상 규칙적인 신체활동을 필히 제안한다. This study aimed to analyze the difference of blood lipid and cognitive ability according to frequency of physical exercise participation with 18 female elderly people for 6 months and also to provide basic data for helping Physical activity of older adults teacher and elderly people raise their awareness of the necessity of physical activity. The result showed that the elderly who exercised 3 or 5 times a week had the positive result in their blood lipid and cognitive ability compared to the ones who did no exercise. Especially, the elderly with exercising 5 times a week showed statistically signigicant results in muscle volume, HDL-C, and motor nerve velocity. This result can have positive effect on preventing diseases and accident risk as well as on functional side for elderly people’s effective daily living. Therefore, exercising regularly more than 3 times a week is strongly recommended for elderly people.
정한상,이남주,박석 한국운동영양학회 2016 Physical Activity and Nutrition (Phys Act Nutr) Vol.20 No.2
Purpose: The purpose of this study was to determine the interaction of ACTN3 gene polymorphism and muscle imbalance effects on kinematic efficiency changes in combat sports athletes. Methods: Six types of combat sports athletes (Judo, Taekwondo, boxing, kendo, wrestling, and Korean Ssi-reum) participated in the study. ATCN3 gene polymorphism and muscle imbalance in lower extremity were evaluated followed by analysis of differences of moment in hip, knee, and ankle joint during V-cut jumping and stop. To examine the moment difference due to an interaction of ATCN3 polymorphism and muscle imbalance, all participants were divided into 4 groups (R+MB, R+MIB, X+MB, and X+MIB). Results: There was no significant difference of hip, knee, and ankle joint moment in R allele and X allele during V-cut jumping and stop based on ACTN3 gene polymorphism. Otherwise, muscle imbalance of knee moment in X-axis and ground reaction force of knee in Z-axis showed a higher significance in muscle imbalance during V-cut jumping and stop compared to muscle balance (p<0.05). In addition, joint analysis showed that muscle imbalance in X allele group had significantly higher knee moment of V-cut ground reaction force in X-axis and higher ankle moment of jumping ground reaction force in X and Z-axis compared to muscle balance with R and/or X group (p <0.05). Conclusion: This study confirmed that muscle imbalance in lower extremity of combat athletes might induce higher risk factors of sports injury incidence than genetic factor and training might reduce the ratio of sports injury risk incidence.