Journal of Physical Fitness and Sports Medicine最新文献_第8页

Effects of pycnogenol-containing supplement on professional cycling performance: a single-group pretest-posttest pilot study 含碧萝芷补充剂对职业自行车成绩的影响：一项单组测试前测试后的初步研究

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-07-25 DOI: 10.7600/JPFSM.10.219

Tsuyoshi Hara, Tatsuya Igawa, M. Ishizaka, Yohei Sawaya, Akihiro Ito, Akihiro Yakabi, A. Kubo

{"title":"Effects of pycnogenol-containing supplement on professional cycling performance: a single-group pretest-posttest pilot study","authors":"Tsuyoshi Hara, Tatsuya Igawa, M. Ishizaka, Yohei Sawaya, Akihiro Ito, Akihiro Yakabi, A. Kubo","doi":"10.7600/JPFSM.10.219","DOIUrl":"https://doi.org/10.7600/JPFSM.10.219","url":null,"abstract":"The performance and physical status of professional cyclists in Japan who train with pycnogenol-containing supplements have not been evaluated. This pilot study aimed to investigate how off-season training and ingesting PycnoRacerTM containing branched-chain amino acids (BCAAs) and pycnogenol can influence cycling performance in cyclists. Eight professional male cyclists (mean age, 24.0 ± 2.4 years) were included in this study. All athletes received and ingested PycnoRacerTM containing 60 mg of pycnogenol, 4,800 mg of BCAA, and 1,200 mg of arginine daily for 28 days. We evaluated the cycling performance and other parameters of each athlete before using PycnoRacerTM and after 28 days of training with the supplement. Measures of performance, such as maximum oxygen consumption, maximum aerobic power, and maximum heart rate, were evaluated with breath-by-breath exercise tolerance tests using a gas analyzer. Additionally, other parameters, including body composition, respiratory function, and degree of cycling training, were measured. The maximum oxygen consumption, maximum aerobic power, and caloric expenditure during cycling training increased significantly after 28 days of training with PycnoRacerTM. However, no significant differences were found in the maximum heart rate, body composition, and respiratory function before and after using PycnoRacerTM. Pycnogenol-containing supplements enhance off-season cycling performance and caloric expenditure during cycling training of professional cyclists.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44381729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of work-matched high-intensity intermittent cycling training with different loads and cadences on Wingate anaerobic test performance in university athletes 不同负荷和节奏的工作配合高强度间歇自行车训练对高校运动员温盖特无氧测试成绩的影响

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-07-01 DOI: 10.7600/jpfsm.10.191

Nobuyasu Tomabechi, Kazuki Takizawa, Keisuke Shibata, M. Mizuno

{"title":"Effects of work-matched high-intensity intermittent cycling training with different loads and cadences on Wingate anaerobic test performance in university athletes","authors":"Nobuyasu Tomabechi, Kazuki Takizawa, Keisuke Shibata, M. Mizuno","doi":"10.7600/jpfsm.10.191","DOIUrl":"https://doi.org/10.7600/jpfsm.10.191","url":null,"abstract":"Work-matched high-intensity intermittent cycling training (HIICT) reportedly improves VO2max regardless of the combination of loads and cadences. However, the effect of work-matched HIICT with different combinations of loads and cadences on anaerobic work capacity is unknown. This study aims to investigate the effects of work-matched HIICT with different loads and cadences on Wingate anaerobic test (WAnT) performance, which is an index of anaerobic work capacity. University athletes performed HIICT either with high-load / 60 rpm (HL60, n = 8) or low-load / 120 rpm (LL120, n = 8). HIICT consisted of eight sets of pedaling for 20 s with 10 s of passive rest between each set. Initial exercise intensity was set at 135% of VO2peak and decreased by 5% after every two sets. HIICT was performed for 18 sessions during the 6-week period. Pre and post the training period, peak power, peak rpm, average power, and time to reach peak power during WAnT and VO2peak were measured. According to two-way analysis of variance (time × group), the main effect of time was observed in VO2peak, peak power, peak rpm, and average power during WAnT (p < 0.05). However, time × group interaction was not observed for any indices (p > 0.05). Conversely, time × group interaction was observed in time to reach peak power during WAnT, and significantly shortened only in HL60 (p < 0.05). These results suggest the effectiveness of work-matched HIICT with high-load / low cadence on WAnT performance.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42826940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An innovative solution and call to action for the physical inactivity pandemic 针对缺乏身体活动大流行的创新解决办法和行动呼吁

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-05-25 DOI: 10.7600/JPFSM.10.165

Christopher Reyes, Joshua Carlos, Tony Guerra, Jenny Vo, S. Loy

{"title":"An innovative solution and call to action for the physical inactivity pandemic","authors":"Christopher Reyes, Joshua Carlos, Tony Guerra, Jenny Vo, S. Loy","doi":"10.7600/JPFSM.10.165","DOIUrl":"https://doi.org/10.7600/JPFSM.10.165","url":null,"abstract":"It is tragic and ironic, as we speak of the pandemic of physical inactivity, that we already know the cure for physical inactivity, the 4 th leading risk factor for mortality costing billions of dollars in medically related costs and losses in productivity. The solution is simple. People must move more often. And of exceptional relevance, physical activity can prevent diseases which increase the population’s susceptibility to the new coronavirus pandemic, CO-VID-19. Creating innovative programs which encourage movement is a beginning, but these programs must be sustainable and accessible to a country’s vulnerable populations. 3 WINS Fitness is a free scalable and innovative community-based exercise program serving over 300 participants requiring no external funding for daily operations due to its implementation by university kinesiology students. If we apply our knowledge and work together in significant col-laborations, millions of lives can be saved. Population physical activity has not increased since the late 1990’s. We must take a fresh look at identifying new or unique collaboratives and re-in-venting current systems. At the core is the education system of university kinesiology/exercise science programs, teaching students the complete landscape of what is required for increases in population physical activity. The Call to Action (CTA) is kinesiology/exercise science departments around the world vigorously taking on the challenge and owning the responsibility for increasing population physical activity. The students of today can control the health destiny of millions of people around the world. The first steps to these departments taking the lead must begin today.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43119829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Global trends in high-intensity interval training (HIIT) 全球高强度间歇训练(HIIT)趋势

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-05-25 DOI: 10.7600/JPFSM.10.127

Kiyoji Tanaka, T. Matsuo

引用次数: 0

Rationale and optimising of outcomes in high-intensity interval training for health and disease 健康和疾病高强度间歇训练的基本原理和结果优化

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-05-25 DOI: 10.7600/JPFSM.10.151

S. Ito

{"title":"Rationale and optimising of outcomes in high-intensity interval training for health and disease","authors":"S. Ito","doi":"10.7600/JPFSM.10.151","DOIUrl":"https://doi.org/10.7600/JPFSM.10.151","url":null,"abstract":"High-intensity interval training (HIIT) research has drastically increased globally in the last decade. This might be owing to the application of HIIT in various fields such as among cardiovascular disease and cancer populations, and its increasing popularity in the media and fitness industries. It is crucial to realize the substantial benefits of HIIT, keeping safety in mind, for these target groups. In this narrative review, HIIT is discussed from multifaceted perspectives. First, I describe the rationale behind the improvement in aerobic and metabolic capacity with HIIT requiring less time compared to moderate-intensity continuous training, as well as the enjoyable and affective factors and the broad applicability of HIIT due to the “relative” high-intensity training. Second, I describe ways to maximize the effects of HIIT, which include optimising a potential genetic factor in HIIT responder, decreasing non-responders by attaining a targeted intensity, and adhering to the exercise intensity and unsupervised long-term participation. Recent development of HIIT/sprint interval training protocols and several unique clinical studies in the world have helped overcome the barriers against high adherence. Finally, safety and potential risks were only discussed briefly due to insufficient available data. In conclusion, to utilise the benefits of HIIT effectively and safely for unfit subjects with lifestylerelated and chronic diseases, optimising HIIT protocols to include high adherence to exercise intensity and long-term participation should be considered.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49471517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

High-intensity interval walking training using internet of things (IoT): past and future 使用物联网(IoT)的高强度间歇步行训练:过去和未来

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-05-25 DOI: 10.7600/JPFSM.10.139

H. Nose, M. Morikawa, Mayuka Furihata, S. Masuki

{"title":"High-intensity interval walking training using internet of things (IoT): past and future","authors":"H. Nose, M. Morikawa, Mayuka Furihata, S. Masuki","doi":"10.7600/JPFSM.10.139","DOIUrl":"https://doi.org/10.7600/JPFSM.10.139","url":null,"abstract":"Facing the rapid growth in the elderly population worldwide, the need for exercise prescriptions according to individual physical fitness has become increasingly apparent. Despite this, the training system broadly available has not been developed. Accordingly, we have developed a system with internet of things (IoT) for middle-aged and older people called “eHealth Promotion System”, based on interval walking training (IWT). IWT is a training regimen repeating 5 sets of fast walking at more than 70% peak aerobic capacity (VO2peak) and slow walking at ~40% VO2peak for 3 min each per day. The system is composed of a device that is equipped with a tri-axial accelerometer and a barometer, and connected to a central server. The sever has a program for storing walking records transferred from the device through the internet, as well as for instructing participants regarding IWT in a feedback manner based on the server database. Using this system, we examined the effects of 5-month IWT in more than 8,700 middle-aged and older people, and found that the training increased VO2peak by 15%, improved lifestyle-related disease symptoms by 20%, and reduced healthcare costs by ~20% on average. We subsequently reported that the effects of IWT depended only on average fast walking time, rather than average slow or total walking time per week. Recently, we also developed a mobile application program to provide participants with this service on their smartphone so that we can examine the effects of IWT in a much larger population of people at the same time and across generations. The system has great potential to increase interdisciplinary studies between sports sciences and other fields of science to establish and promote a society for health and longevity.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47440145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effects of exhaustive high-intensity intermittent exercise on serum parathyroid hormone 穷尽性高强度间歇运动对血清甲状旁腺激素的影响

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-05-25 DOI: 10.7600/JPFSM.10.129

Jun Hamano, Takayuki Shimizu, Katsunori Tsuji, W. Kohrt, I. Tabata

{"title":"Effects of exhaustive high-intensity intermittent exercise on serum parathyroid hormone","authors":"Jun Hamano, Takayuki Shimizu, Katsunori Tsuji, W. Kohrt, I. Tabata","doi":"10.7600/JPFSM.10.129","DOIUrl":"https://doi.org/10.7600/JPFSM.10.129","url":null,"abstract":"Increased serum parathyroid hormone (PTH) during moderate-intensity exercise has been reported, suggesting that such exercise may stimulate bone resorption. This study was undertaken to observe the effects of exhausting high-intensity intermittent exercise (HIIE) on serum PTH and on blood parameters that may affect PTH secretion during exercise. Seven young trained adults exercised on 2 days after overnight fasting. On the HIIE day, they performed 6–7 exhausting bouts of 20-sec bicycle exercise (intensity, 170% V・O2max) with intervening 10sec rests. On the moderate-intensity exercise (MIE) day, the subjects biked for 60 min at 70% V・O2max. The peak lactate concentration in blood after the HIIE was 15.2 ± 1.3 mmol/l. The blood lactate concentration at the end of the MIE was 2.2 ± 0.9 mmol/l. The HIIE significantly reduced the serum PTH (Pre: 30 ± 5 pg/ml, 10 min post-HIIE: 22 ± 4 pg/ml, p < 0.05), whereas the MIE significantly elevated the serum PTH. The HIIE induced a significant increase in serum ionized Ca (iCa); but MIE did not affect iCa. The serum cortisol concentration post-MIE was significantly higher than that observed pre-exercise; no changes from the pre-exercise value were noted post-HIIE. The serum phosphate concentration immediately post-HIIE increased significantly to the same level as that post-MIE. No changes in serum C-terminal telopeptide of Type I collagen (a marker of bone resorption) was observed after the HIIE or MIE. Although these results do not identify stimulator(s) for PTH secretion during HIIE and MIE, they indicate that HIIE does not induce an exercise-induced increase in PTH (which might deteriorate bone metabolism).","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41515079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

High-intensity interval aerobic exercise training (HIAT) in occupational health 职业健康中的高强度间歇有氧运动训练

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-05-25 DOI: 10.7600/JPFSM.10.145

T. Matsuo, R. So, Kiyoji Tanaka, C. Mukai

{"title":"High-intensity interval aerobic exercise training (HIAT) in occupational health","authors":"T. Matsuo, R. So, Kiyoji Tanaka, C. Mukai","doi":"10.7600/JPFSM.10.145","DOIUrl":"https://doi.org/10.7600/JPFSM.10.145","url":null,"abstract":"An astronaut’s maximal oxygen intake (V ・ O 2max ), along with cardiac function, decreases during space life; and many astronauts experience unhealthy weight loss due to energy imbalances. In fact, excessive exercise may promote an energy deficit. Moreover, a typical scheduled exercise program (2.5 hours per day) appears to be excessive for time-pressed astronauts. Hence, more efficient exercise programs need to be developed for future space missions. With this background, the study of “ high-intensity interval aerobic exercise training (HIAT) ” was initiated. The HIAT protocol in our study consisted of 3 sets of 3-min high-intensity cycling with 2-min active rest between sets. Two intervention studies conducted with sedentary male adults revealed that V ・ O 2max improvement by HIAT was significantly higher than improvement by moderate-intensity continuous aerobic training (MICT); and that cardiac function significantly improved in HIAT, but not in MICT, even though the exercise duration and volume of HIAT (15 mins, 180 kcal) were substantially lower than those of MICT (42 mins, 360 kcal). Further studies on general workers with metabolic syndrome also showed the superior effect of HIAT to MICT on V ・ O 2max . Studies conducted on astronaut health may provide clues to solving lifestyle-related public health issues because the microgravity environment is similar to physical inactivity in reducing the load on the heart. Lack of time is a significant barrier to exercise habituation in our time-pressed society. Therefore, time-efficient exercise may contribute to the prevention of health risks not only in astronauts, but also in working adults in a modern society with time constraints and sedentary lifestyles.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42865566","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Estimating model of sedentary behavior with tri-axial accelerometer in elementary school children 用三轴加速度计估算小学生久坐行为的模型

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-03-25 DOI: 10.7600/JPFSM.10.119

Y. Hikihara, C. Tanaka, Y. Oshima, K. Ohkawara, K. Ishikawa-Takata, Shigeho Tanaka

{"title":"Estimating model of sedentary behavior with tri-axial accelerometer in elementary school children","authors":"Y. Hikihara, C. Tanaka, Y. Oshima, K. Ohkawara, K. Ishikawa-Takata, Shigeho Tanaka","doi":"10.7600/JPFSM.10.119","DOIUrl":"https://doi.org/10.7600/JPFSM.10.119","url":null,"abstract":"Several recent studies reported that a lack of moderate to vigorous physical activity (MVPA) in combination with a high degree of sedentary behavior (SB) is associated with health problems including overweight and obesity in children, as well as psychosocial stress. Therefore, it is important that methods are developed to objectively evaluate both MVPA and SB. The aim of this study was to redevelop the existing equation for estimating SB to improve its accuracy. Healthy boys (n = 42) and girls (n = 26) attending primary school were invited to participate in this study. Participants were asked to perform 2 SB tasks, which were desk work and Nintendo DS, 2 light intensity activities such as sweeping up and clearing away, and higher intensity activities such as sweeping up and throwing a ball, with a few minutes of recovery time between tasks. The tasks and activities were performed in order of PA intensity (lower to higher). All participants wore a triaxial accelerometer on their waist. In addition, they wore a facemask connected to a Douglas bag to gather respiratory gas samples while performing each activity. First, we proposed the two linear regression equations (TL), including an equation for SB, and another equation for light or higher intensity activities with a fixed intercept of 0.9. Moreover, we redeveloped a quadratic polynomial (QP) equation that takes into account all activities. Both models were demonstrated to improve the accuracy of estimations of PA (about 0.2 to 0.3 METs), including SB (about 1.0 METs) other than sweeping up and wiping floor, compared to the existing model.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44200832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Relationship between total weight-bearing response of the navicular and talus bones and weight-bearing response of hindfoot valgus in normal foot arch 正常足弓下舟骨、距骨总负重反应与后足外翻负重反应的关系

Journal of Physical Fitness and Sports Medicine Pub Date : 2021-03-25 DOI: 10.7600/JPFSM.10.75

Masafumi Maruyama, A. Yozu, Y. Okamoto, H. Shiraki

{"title":"Relationship between total weight-bearing response of the navicular and talus bones and weight-bearing response of hindfoot valgus in normal foot arch","authors":"Masafumi Maruyama, A. Yozu, Y. Okamoto, H. Shiraki","doi":"10.7600/JPFSM.10.75","DOIUrl":"https://doi.org/10.7600/JPFSM.10.75","url":null,"abstract":"Assessment of the total weight-bearing response of the navicular and talus bones is essential for evaluating the load absorption function. Although the weight-bearing response of the hindfoot valgus is likely related to the total weight-bearing response of the navicular and talus bones, this relationship is not well-understood. We evaluated the relationship between the total weight-bearing response of the navicular and talus bones and the weight-bearing response of the hindfoot valgus in the normal foot arch. Twenty-three males with normal foot arches were analyzed. We scanned the right foot of each participant under both non-loading and full weight-bearing conditions, using positional magnetic resonance imaging (pMRI). We measured the vertical and medial positions of the navicular and talus bones. The total positional changes of the navicular and talus bones (ΔTPCN and ΔTPCT, respectively) were calculated from the vertical and medial displacement values, using the Pythagorean theorem. To evaluate the weight-bearing response of the hindfoot valgus, the hindfoot alignment view (HAV) was measured. The difference in HAV (ΔHAV) between non-loading and full weight-bearing conditions was considered the weight-bearing response of the hindfoot valgus. Correlations between ΔTPCN, ΔTPCT, and ΔHAV were assessed using the Pearson correlation coefficient, and ΔTPCN and ΔTPCT were found to be moderately correlated with ΔHAV. Our study indicated that the total weight-bearing response of the navicular and talus bones correlated with the weight-bearing response of the hindfoot valgus in healthy adult males with normal foot arch.","PeriodicalId":55847,"journal":{"name":"Journal of Physical Fitness and Sports Medicine","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44638664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1