진동 운동이 노인 신체 기능에 미치는 영향에 관한 고찰

변재종(Jae?Jong Byun),이경진(Kyung-Jin Lee) 한국코칭능력개발원 2009 코칭능력개발지 Vol.11 No.4

젊은 남자 성인의 신체활동 수준이 심박변이도 및 심박수 회복율에 미치는 영향

변재종(Byun, Jae-Jong),황부근(Hwang, Boo-Geun),이재현(Lee, Jae-Hyun) 한국사회체육학회 2016 한국사회체육학회지 Vol.0 No.66

This study evaluated the effect of physical activity (PA) on heart rate variability (HRV) and the rate of heart rate recovery (HRR) in 20~29 year-old male adults (n=30). Physical activities were measured by the accelerometer and HRR was recorded in every 30 seconds for 5 minutes after maximal exercise. HRV was measured while subjects were in resting state for 5 minutes. There was no significant correlation between PA variables and HRV but positive correlation between time spent on vigorous PA and HRR at 30s 240s, 270s, 300s after maximal exercise. Regression models with time spent on vigorous PA as independent variables explained 10.2~15% of HRR. The comparison of HRV and HRR between high-PA group (HPA) and low-PA group (LPA) showed that HRR30s of HPA was significantly higher than those of LPA. In conclusion, it seems that PA, especially time spent on vigorous activity affects HRR, but not HRV in young male adults.

운동참여율이 노인 여성의 활성산소 농도에 미치는 영향

변재종(Jae-Jong Byun),이경진(Kyung-Jin Lee) 한국코칭능력개발원 2009 코칭능력개발지 Vol.11 No.4

노인 건강관리 전문 트레이너 양성을 위한 교육과정 개발연구

변재종(Jae-Jong Byun) 한국코칭능력개발원 2008 코칭능력개발지 Vol.10 No.3

장기간의 요가운동이 고령 여성의 낙상 관련 체력에 미치는 영향

변재종(Byun, Jae-Jong),황부근(Hwang, Boo-Geun) 한국사회체육학회 2016 한국사회체육학회지 Vol.0 No.66

The purpose of this study is to investigate the effect of yoga exercise program on fall-related physical fitness in elderly women. Subjects for study were 15 elderly women with an age range of 75 to 89 years. Balance(OLS, TUG), flexibility(hip joint ROM, ankle ROM), lower strength(knee extensor/flexor strength, CST were investigated before and mid(after 3 months) and after 9 months yoga exercise program(60min/day, 2 day/week, for 9 months). All data were analyzed by ANOVA with repeated measures of SPSS. The results showed that significant increase were found for OLS(p<.01, p<.001), hip joint(p<.001, p<.05), ankle ROM(p<.001, p<.01), knee extensor(p<.05, p<.001), knee flexor(p<.001, p<.001), CST(p<.001) after 9 months yoga training. But there was no significant difference after 3 months yoga training in all variables except CST. Therefore, we recommend that a yoga exercise program in elderly women is a useful intervention to falls-related physical fitness, but further long-term program is required.

노인의 낙상경험에 따른 발목 가동범위, 균형능력 및 하지근력 분석

변재종(Byun, Jae-Jong),이규상(Lee, Kyu-Sang),황부근(Hwang, Boo-Geun) 한국사회체육학회 2016 한국사회체육학회지 Vol.0 No.64

The purpose of this study was to investigate the difference of ankle range of motion, balance and leg muscle strength according to experienced falls in elderly people. We analyzed the data on 129 elderly people (nonexperienced falls: 65, experienced falls: 63) participated in this study. All subjects conducted ankle ROM (left and right), balance (OLS, TUG), muscle strength (CST) and knee extensor/flexor strength were measured separately by each leg. The results were as follows: Ankle ROM[ left (p<0.05) and right (p<0.05)] of nonexperienced fall group were significantly lower than the experienced fall group. OLS (p<0.001) and TUG (p<0.05) were significantly lower than the experienced fall group .Also, CST (p<0.05) and knee extensor/flexor strength (p<0.05) were significantly lower than the experienced fall group .These results can be predicted that there will be increased risk of falling from falling experience groups. Therefore, We recommend that provision of education and intervention programs to prevent falls are needed for falling experience elderly people.

운동참여율이 노인의 등속성 슬관절·요부관절 근기능에 미치는 효과

변재종(Jae Jong Byun),김차용(Cha Yong Kim),이창규(Chang Kyu Lee),지용석(Yong Seok Jee) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-

This study was designed to investigate the effect of exercise participation on isokinetic knee or lumbar muscular functions of the older adults in nursing home. The subjects for this study were seventy two(male: 25, female: 47) healthy elderly people who were the members of seniors` tower in song-do hospital, didn`t have any problems in participating in this study exercise program. The subjects were divided into four groups: Group I participated in exercise program daily(N=19), GroupII participated in exercise program 2 or 3 times a week(N=19), GroupIII participated in exercise program once a week(N=19) and GroupIV never participated in exercise program(N=15). Three groups have been trained for 24weeks. The exercise program for three groups was made up of warm-up, work-out, and cool-down. Stretching was performed every ten minutes for the prevention of injuries which could occur during the main exercise and quick recovery of the used muscle. Aerobic training was performed for 20-40 minute respectively using the treadmill and cycle ergometer at the intensity of 60% VO_2max. The resistance weight training was performed 10times repeatedly(12-15RM) by 2sets using the leg press, leg extension, leg curl, back extension, abdominal flexion, and torso. One repetition maximum(1RM) of each person was measured prior to the training performance. All the measured data were represented by mean and standard deviation using version 6.12 SAS package. The 1st statistical techniques for data analysis were three way ANOVA with repeated measure to analyze the difference among groups, sexes, and time(pre & post exercise). And then we performed paired t-test for examing the difference among groups about the variables which showed the difference. The 2nd statistical techniques for data analysis were one way ANOVA to determine the difference among groups. The 3rd statistical techniques for data analysis were Scheffe post-hoc method to determine the difference among groups. The 5% level of significance was used as the critical level for acceptance of hypotheses for the study. The following results were obtained from this study. 1) In the knee joint muscular function, the flexion and extension peak torque of Group I and Group II were significantly increased than the other two groups after participating in exercise program. In the sheffe`s post-hoc result, the flexion and extension peak torque of Group I were significantly increased than GroupIV. 2) In the lumbar muscular function, the flexion peak torque of GroupII was significantly increased than the other three groups after participating in the exercise program. The extension peak torque of Group I and Group II were significantly increased than the other two groups after participating in the exercise program. In conclusion, the noticeable results in this study were that the muscular functions of knee joint and lumbar extension of Group I (daily exercise group) were greater increased than the other three groups. The muscular functions of lumbar flexion of Group II were greater increased than the other three groups.

노인 건강증진을 위한 최신 트레이닝 프로그램

변재종(Jae-Jong Byun) 한국코칭능력개발원 2008 코칭능력개발지 Vol.10 No.3

운동참여율에 따른 노인의 혈역학적 변인의 변화

변재종(Jae Jong Byun),이창규(Chang Kyu Lee) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-

This study was designed to investigate the effect of exercise participation on hemodynamic variables of the older adults in nursing home. The subjects for this study were seventy two(male: 25, female: 47) healthy elderly people who were the members of seniors` tower in song-do hospital, didn`t have any problems in participating in this study exercise program. The subjects were divided into four groups: Group I participated in exercise program daily(N=19), GroupII participated in exercise program 2 or 3 times a week(N=19), Groups participated in exercise program once a week(N=19) and GroupIV never participated in exercise program(N=15). Three groups have been trained for 6 months. The exercise program for three groups was made up of warm-up, work-out, and cool-down. Warm-up and cool-down was performed every ten minutes and aerobic training was performed for 20-40 minute respectively using the treadmill and cycle ergometer at the intensity of 60%VO_2max. Resistance training was performed 10times repeatedly (12-15RM) by 2sets using the leg press, leg extension, leg curl, back extension, abdominal flexion, and torso. All the measured data were represented by mean and standard deviation using version 6.12 SAS package. The first statistical techniques for data analysis were three way ANOVA with repeated measure to analyze the difference among groups, sexes, and time(pre & post exercise). And then I performed paired t-test for examing the difference among groups about the variables which showed the difference. The second statistical techniques for data analysis were one way ANOVA to determine the difference among groups. The third statistical techniques for data analysis were Scheffe post-hoc method to determine the difference among groups. The 5% level of significance was used as the critical level for acceptance of hypotheses for the study. The following results were obtained from this study. The VO_2max and maximal heart rates of Group II and Group I were significantly increased than the other two groups after participating in the exercise program. The exercise time of Group I was significantly increased than the other three groups after participating in the exercise program.

젊은 성인 남자의 최대산소섭취량 수준과 심박변이도 및 운동 후 심박수 회복율의 관련성

황부근(Boo-Geun Hwang),변재종(Jae-Jong Byun),이재현( Jae-Hyun Lee) 한국생활환경학회 2016 한국생활환경학회지 Vol.23 No.5

This study investigated the relationship between the level of maximal oxygen uptake (VO2max) and the function of autonomic nervous system (ANS) in 30 young male adults. The function of ANS was measured by heart rate variability (HRV) and the post-exercise heart rate recovery (HRR). The results showed that there was a significant relationship between VO2max and HRV, but not between VO2max and HRR. Furthermore, the group of higher VO2max showed higher SDNN, RMSSD, TPlog, VLFlog, LFlog, HFlog level and lower physical stress index than those of the group of lower VO2max. In conclusion, there is a significant relationship between VO2max and the function of ANS measured by HRV in young male adults and it seems that the aerobic capacity measued by VO2max might affect HRV positively.