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복합 순환 운동 프로그램이 폐경 후 여성의 체력, 신체구성, 대사성증후군 위험 요인에 미치는 영향
전박근(Jeon Bak-Geun),박원일(Park Won-Il),최현민(Cho Hyun-Min),노호성(Nho Ho-Sung),김종경(Kim Jong-Kyung) 한국체육과학회 2009 한국체육과학회지 Vol.18 No.1
The purpose of this research was to investigate the effect of mixed circuit exercise program on physical fitness, body composition, and risk factors of metabolic syndrome in postmenopausal women. We studied 19 obese postmenopausal women, aged 52.6±1.1 years, who had not exercised regularly, volunteered to participate in a mixed circuit exercise program as a subject. The subjects completed a 16 weeks exercise program consisting of mixed circuit exercise performed 3times/week at 60~70 HRmax. and They had supervised program consisting of 75 min circuit exercise program. The mixed circuit exercise training was composed of circuit exercise, thera band, and gymball exercise. The measurement items included Triglyceride (TG), total cholesterol (TC), fasting plasma glucose(FPG), systolic blood pressure (SBP), diastolic blood pressure (DBP), maximal oxygen uptake (VO₂max), Muscle strength, Muscle endurance, power, flexibility, agility, and balance. Therefore, the visceral fat area (VFA) and subcutaneous fat area (SFA) were estimated by computed tomography. Sixteen weeks of combined exercise training produced significant improve on physical fitness, body composition, and risk factor of metabolic syndrome (p<0.05). In conclusion, mixed exercise program did showed positive effect in postmenopausal women and exercise participation may be protective against developed of metabolic syndrome in postmenopausal women.
단기간의 가압 걷기트레이닝이 심혈관 기능 및 근 기능에 미치는 영향
전종목(Jong-Mok Jeon),박원일(Won-Il Park),전박근(Bak-Geun Jeon),김종경(Jong-Kyung Kim),노호성(Ho-Sung Nho),최현민(Hyun-Min Choi) 한국생활환경학회 2009 한국생활환경학회지 Vol.16 No.1
Pressurization training (PT) is designed to perform short term training using exclusive pneumatic belt applying pressure on upper parts of arms and legs to reduce blood flow to limbs. It has not completely been proved whether PT could improve the cardiorespiratory fitness and skeletal muscle function. Subjects were divided into two groups, which were 8 PT group (21.6±1.7 years) and 8 control group without pressurization (23.4±0.6 years). All subjects completed 2 week walk training program. PT group performed walk training with specially designed elastic band wrapped around upper parts of both legs. Pressure was maintained with 220 ㎜Hg for the rest of training period. Control group performed walk training program without pressure on leg's blood flow. The result showed that VEmax and strength of knee flexor were significantly increased in PT group and cross sectional areas of quadriceps on both right and left leg were increased by 2.0 and 1.4%, respectively. VO₂max tended to increase (6%), but there was no significant difference. There were no significant differences in resting levels of IGF-1, testosterone, growth hormone, and myoglobin. It is concluded that short-term walk PT could improve cardiorespiratory function at low intensity and may also be useful method to improve skeletal muscle function such as muscle strength and muscle hypertrophy.
고혈압 가족력이 있는 대학생들의 운동강도에 따른 심혈관반응
최현민(Hyun Min Choi),김영석(Young Seok Kim),박원일(Won Il Park),전박근(Bak Geun Jeon),노호성(Ho Sung Nho),김종경(Jong Kyung Kim) 한국사회체육학회 2008 한국사회체육학회지 Vol.0 No.34
It has been reported that exaggerated blood pressure is mediated by exercise increase the development of future hypertension. However, it has not been investigated cardiovascular responses in offspring with a positive family history of hypertenstion during exercise. Therefore, this study was to compare the physiological responses in normotensive offspring with or without family history of hypertension during dynamic exercise. Twelve normotensive subjects with a known family history of hypertension and ten subjects without a family history of hypertension aged between 20 and 25 years were recruited for this study. All subjects were continuously instrumented to measure stroke volume, heart rate, cardiac output, total vascular conductance, and arterial blood pressure with increasing workloads (40%, 60%, 80% of VO2max). The results showed that systolic blood pressure, diastolic blood pressure, mean arterial blood pressure significantly increased in both groups with increasing workloads, but there was significantly higher in subjects with a family history of hypertension. There were no differences in heart rate, stroke volume, and total vascular conductance between both groups with increasing exercise intensity. Cardiac output was significantly higher in subjects with a family history of hypertension at rest, but there was no difference in both groups across workloads. This study suggests that there was an exaggerated exercise blood pressure response in people with positive family history of essential blood pressure during dynamic exercise and there may be higher risk of future hypertension development.