著者

高野 健人 宮崎 良文 川上 剛 芳住 邦雄 井川 正治 北博 正

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.62, pp.87-93, 1986 (Released:2019-01-21)

著者

永松 俊哉 甲斐 裕子

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.112, pp.1-7, 2014 (Released:2017-07-26)

参考文献数

25

被引用文献数

6

著者

渡邊 裕也 来田 宣幸 甲斐 義浩 森原 徹

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.120, pp.1-8, 2022 (Released:2022-10-01)

参考文献数

16

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Previous studies reported significant positive correlations between physical variables such as lower-limb muscular power and annual hitting records in baseball players. Thus, physical variable factors may contribute to batting performance. This study examined the relationship between physical fitness or body composition and bat swing speed in female baseball players. Thirty-two Japanese female professional baseball players (21.9 ± 3.2 years) participated in this study. Height, body mass, lean body mass (upper-limb, trunk, lower-limb, and whole body), grip strength, back strength, knee extension strength, hamstring extensibility, vertical jump height, reaction time, and bat swing speed were measured at preseason. Body mass index was calculated by dividing weight by height squared. Vertical jump index was calculated by multiplying the vertical jump height by weight. Lean body mass showed significant positive correlations with bat swing speed [upper-limb (r = 0.415), trunk (r = 0.390), lower-limb (r = 0.376), and whole body (r = 0.408): P < 0.05]. Similarly, age (r = 0.537:P = 0.002), knee (extension strength (r = 0.415:P = 0.018), and vertical jump index (r = 0.442:P = 0.013) were significantly correlated with bat swing speed. When partial correlation analysis was performed with age as control variable, these correlations were found to become weaker and insignificant. Vertical jump index, however, showed the highest partial correlation of 0.359 (P = 0.052), which is close to critical value of significance but did not reach the significant level. This study showed that skeletal muscle mass, lower-limb strength, lower-limb muscle power, and age were related to bat swing speed in female baseball players. Age can be interpreted as a term of competitive and training experiences, which has both positive (e.g., improvement of performance skill) and negative (e. g., increase in injury risk) aspects for players. However, this study cannot clearly conclude a relationship between age and bat swing speed. Improvement of body composition and physical function may positively affect batting performance and thus hitting performance in women baseball players.

著者

須藤 みず紀 安藤 創一

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.119, pp.1-8, 2021 (Released:2021-11-10)

参考文献数

22

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Physical activity and regular exercise are known to have beneficial effects on mood state. Similarly, a single bout of exercise seems to improve mood states. Recent studies suggest that electrical muscle stimulation(EMS)has the potential to be an alternative method of exercise. However, the effects of EMS on mood states are unclear. The purpose of this study was to test if the effects of EMS on mood states are comparable to voluntary exercise. Twenty-one participants were recruited in the present study. The participants answered three kinds of questionnaires before and after the EMS or voluntary exercise for 20 min. The order of EMS and exercise was randomized. We performed two-way analysis of variance(AVOVA)with time(pre vs. post)and condition(EMS vs. voluntary exercise)as within factors. Two-way ANOVA showed a significant main effect of time on pleasantness. The present results suggest that physiological and psychological responses to the EMS as well as voluntary exercise have the potential to affect pleasantness.

著者

甲斐 裕子 荒尾 孝 丸山 尚子 今市 尚子

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.105, pp.1-10, 2007 (Released:2017-07-26)

参考文献数

23

被引用文献数

2

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Objective: This study compared the effects of a behavioral approach program(BAP)and a knowledge-oriented program(KOP)to promote physical activity and healthy dietary habits in community-dwelling middle-aged Japanese. Both programs were designed to have the same intervention protocol in terms of duration and frequency. Methods: One hundred subjects(81 females), 57.4 ± 8.3 years of age(mean ± SD), were randomly assigned to either the BAP or KOP group. The subjects in both groups participated in 2-hr monthly group sessions over a 4 month period. The BAP was based on learning theory and social cognitive theory, and comprised of behavioral strategies(e.g., goal setting, self-monitoring, rewards, and social support)and group discussions. The KOP was based on a conventional health education program, and comprised of lectures on lifestyle-related diseases, physical exercise, and nutrition, followed by group discussions. The primary outcomes included: 1)changes in the number of walking steps, 2)total energy expenditure for exercise and leisure-time physical activities calculated by a self-reported questionnaire, 3)total energy intake of foods, fats, and vegetables, and 4)self-efficacy in physical exercise. Results: A significant inter-group difference existed in the change in number of daily walking steps between the BAP and KOP groups(+226 steps vs. -968 steps, P=0.02). There were significant improvements in fat and vegetable intake in both the BAP and KOP groups, but there were no significant differences between the two groups. There was no significant change in exercise self-efficacy in either group. The change in exercise selfefficacy positively correlated with the change in leisure-time physical activity in the BAP group(r=0.35, P=0.02). Conclusion: These findings suggest that the behavioral approach program promoted greater improvement in physical activity than the conventional health education program in community-dwelling middle-aged Japanese adults.

著者

木崎 節子 山下 均 瀬川 雅彦 大石 修司 長沢 純一 大野 秀樹

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.88, pp.44-53, 1995 (Released:2019-01-21)

著者

永松 俊哉 北畠 義典 泉水 宏臣

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.110, pp.1-7, 2012 (Released:2017-07-26)

参考文献数

25

被引用文献数

4

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We have previously reported that stretch training is effective in promoting improvement of sleep-related problems. However, the mechanisms underlying this effect remain unclear. This study aimed to investigate the effects of brief and low-intensity stretching exercises on physiological and psychological responses in relation to sleep and mental health. We examined changes in core temperature, stress, and mood states in response to acute exercise. Eight women (mean age, 49.4 ± 5.8 years) who were not taking any medications affecting sleep volunteered to participate in this study. The exercise program required 10 min of stretching using yoga techniques and poses. Exercise and control programs were randomly performed in a cross-over trial in each subject. Each trial was started at 1:00 pm; stretching began at approximately 2:00 pm. Rectal temperature, salivary cortisol levels, and mood states( pleasantness, relaxation, anxiety) were measured before and after stretching. Significant interactions in two factors( trial and time progress) were identified for rectal temperature, cortisol levels, and pleasantness score. A greater degree of change in rectal temperature was seen with the exercise program than with the control program. Cortisol levels increased slightly in the control program and decreased in the exercise program. Pleasantness scores increased over time in both programs, but the degree of change was greater in the exercise program than in the control program. Peripheral heat dissipation at bedtime after a rise in core temperature of less than 0.5℃ has been reported to facilitate sleep onset. The present study found that a suitable rise in core temperature was achieved after stretching. Stress response and pleasantness also improved with stretching. These changes after exercise seem to contribute to improved emotional condition. In conclusion, performance of brief and low-intensity stretching exercises may promote improvement of sleep-related problems by causing a suitable rise in core temperature, and may contribute to mental health by reducing stress and improving mood status in middle-aged women.

著者

須山 靖男

出版者

公益財団法人 明治安田厚生事業団 体力医学研究所

雑誌

体力研究 (ISSN:03899071)

巻号頁・発行日

vol.101, pp.8-17, 2003 (Released:2017-07-26)

参考文献数

24

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The purpose of the study was to examine the interrelationship between habitual physical activity and dietary pattern in the white collar male workers. Subjects were 4,694 male workers ranging in age from 20 to 69 years old(mean age 40.3), who participated in a questionnaire survey carried out by mail method in a mutual life insurance company in Japan. The habitual physical activity was divided into two categories ; viz. walking or gymnastic status and habitual light sport. Usual intake for 15 food groups was assessed using a food frequency method(fifth categories). A principal component analysis was conducted on the correlation matrix dietary frequency in each food group studied using the procedure of FACTORS. An analysis of general linear model (GLM) in SPSS was subsequently conducted using factor scores of the principal components revealed by the principal component analysis as dependent variables, with age and BMI as covariates, and walking or gymnastic status, habitual light sport, drinking status, smoking status, regularity of having breakfast, having dinner with family, living arrangement, occupation, and treatment for diseases(circulation or endocrine) as independent variables. The major findings were as follows. 1)The first component had maximum positive factor loading from fish and shellfish, soybean products, vegetables, seaweeds, potatoes and fruits(an index of selecting plant food). The second component had maximum positive factor loadings from meat, fats and oils(an index of animal food). The third component had maximum positive loading from rice and miso soup, and opposed to bread(an index of food staple). These components accounted for 48.3% of the inter-individual variability. 2)Two habitual physical activities significantly associated with the first component. The results suggest that habitual physical activity affects the frequency of selecting plant food. The adjusted deviation from mean indicated that having no habitual physical activity tend to select plant food less frequently than having habitual physical activity. The results of this study suggest that habitual physical exercise is related to dietary pattern.