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Range of Motion in Selected Joints in Relation to Sports Performance and Technique Effectiveness in Weightlifting 选定关节的活动范围与举重运动表现和技术效果的关系
Q3 Health Professions Pub Date : 2022-03-01 DOI: 10.2478/pjst-2022-0002
M. Kruszewski, A. Kruszewski, Rafał Tabęcki, Bartłomiej Mierzejewski, Łukasz Pągowski
Abstract Introduction. The aim of the study was to verify or falsify the role of flexibility as the ability that distinguishes weightlifting champions from their rivals in lower sports classes. The aim of the study was also to assess the relationship between the results in snatch and clean and jerk, technique effectiveness, mobility in the shoulder joint, dorsal extension of the foot and forward bending of the spine. Material and methods. The study included 24 men training weightlifting – members of the Polish national team (n = 10) and members of one of Warsaw sports clubs (n = 14). Measurements were performed of active ranges of movement of the shoulder, flexion and extension in the shoulder joint, forward bending of the spine and dorsal extension of the foot in the ankle joint. The technique efficiency coefficients were calculated and the sports results were converted into Sincair points. Results. Significant differences (p ≤ 0.05) were noted in dorsiflexion of the foot in the ankle joint and forward bending of the spine in the tested groups. National team members were characterised by higher mobility than sports club members. There were no significant differences in flexion and extension movements at the shoulder joint between the groups. Conclusions. Significant correlations were found between the range of forward bending of the spine (p ≤ 0.001) and the range of dorsiflexion movements of the right (p ≤ 0.001) and left (p ≤ 0.01) foot, and sports performance in the snatch and clean and jerk, as well as in technique effectiveness. Achieving high sports performance in weightlifting may be limited by a low joint range of motion.
摘要介绍。这项研究的目的是验证或证伪柔韧性作为区分举重冠军和低级别运动对手的能力的作用。这项研究的目的也是为了评估抓举和挺举的结果、技术有效性、肩关节的灵活性、脚的背侧伸展和脊柱的前屈之间的关系。材料和方法。该研究包括24名训练举重的男子——波兰国家队成员(n = 10)和华沙体育俱乐部成员(n = 14)。测量肩部的活动范围、肩关节的屈曲和伸展、脊柱的前屈和踝关节足的背伸。计算了技术效率系数,并将运动结果转化为辛克莱尔点。结果。各组踝关节足背屈曲和脊柱前屈均有显著性差异(p≤0.05)。国家队成员比体育俱乐部成员具有更高的流动性。两组之间肩关节屈伸运动无显著差异。结论。脊柱前屈幅度(p≤0.001)、右足背屈幅度(p≤0.001)、左足背屈幅度(p≤0.01)与抓举、挺举成绩及技术效果有显著相关。在举重运动中获得高水平的运动表现可能受到关节活动范围小的限制。
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引用次数: 2
Modulation of Bone Metabolism Markers Following Low-Repetition and Light-Load Power Training in Postmenopausal Women: A Randomized Controlled Trial 绝经后妇女低重复和轻负荷力量训练后骨代谢标志物的调节:一项随机对照试验
Q3 Health Professions Pub Date : 2022-03-01 DOI: 10.2478/pjst-2022-0004
S. Nayebifar, E. Ghasemi
Abstract Introduction. The study aimed to survey effects of 6 weeks of low-repetition and light-load power training on serum Osteocalcin, Parathormone and Sclerostin in sedentary postmenopausal women. Material and Methods. This randomized controlled trial was carried out in healthy and sedentary postmenopausal women. We recruited 24 volunteers aged 55 to 65 years. Participants were allocated into two groups: experimental and control. The experimental group performed 6-week low-repetition and light-load power training at a frequency of three sessions per week. The outcome measures included Osteocalcin, Parathormone, Sclerostin. Blood samples were drawn pre- and post-intervention while fasting. Data were analyzed using SPSS19, and multivariate ANCOVA and Bonferroni post hoc test were used. Results. After 6 weeks of low-repetition and light-load power training, Sclerostin decreased (p = 0.03), while Osteocalcin and Parathormone increased (p = 0.01) in the training group compared to the control group. Conclusions. It seems that low-repetition and light-load power training, by increasing Osteocalcin and Parathormone and reducing Sclerostin, can be effective in bone formation in postmenopausal women.
摘要介绍。该研究旨在调查6周低重复和轻负荷力量训练对久坐的绝经后妇女血清骨钙素、甲状旁激素和硬化蛋白的影响。材料和方法。这项随机对照试验是在健康和久坐的绝经后妇女中进行的。我们招募了24名年龄在55到65岁之间的志愿者。参与者被分为两组:实验组和对照组。实验组以每周三次的频率进行为期6周的低重复和轻负荷的力量训练。结果测量包括骨钙素、甲状旁激素、硬化素。在禁食期间抽取干预前后的血液样本。采用SPSS19进行数据分析,采用多变量方差分析和Bonferroni事后检验。结果。经过6周的低重复和轻负荷力量训练,与对照组相比,训练组的硬化素下降(p = 0.03),骨钙素和甲状旁激素升高(p = 0.01)。结论。似乎低重复和轻负荷的力量训练,通过增加骨钙素和甲状旁激素和减少硬化蛋白,可以有效地促进绝经后妇女的骨形成。
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引用次数: 0
Effect of Warm-up on Fitness Performance of Schoolchildren. A Systematic Review 热身运动对小学生健身成绩的影响。系统回顾
Q3 Health Professions Pub Date : 2022-03-01 DOI: 10.2478/pjst-2022-0001
Rubén Fernández-Agulló, R. Merino-Marbán
Abstract Introduction. The impact of different types of warm-up protocol on children’s performance is clearly an unresolved issue that has not yet been satisfactorily investigated. Consequently, the purpose of this review was to analyze the current literature on the subject. Material and Methods. The first step was to perform a search in PROSPERO with the keyword warm up. After that, five electronic bibliographic databases were searched through until April 10th, 2021: Web of Science (all databases), Scopus, SportDiscus, PubMed, and Google Scholar. Results. Six studies involving a total of 138 participants were included in the final analyses. Regarding the physical qualities that were assessed, 4 of the studies assessed strength through the vertical jump, 3 assessed running speed, one assessed anaerobic endurance (30 seconds) with a cycle ergometer and another assessed flexibility using the Sit & Reach. Conclusions. The practice of dynamic or specific warm-up before training appears to improve speed and strength performance compared to no warm-up in school-age children. However, the effects of warm-up on endurance and flexibility performance in school-age children need to be further investigated.
摘要介绍。不同类型的热身方案对儿童表现的影响显然是一个尚未解决的问题,尚未得到令人满意的调查。因此,本综述的目的是分析当前关于该主题的文献。材料和方法。第一步是使用关键字warm在PROSPERO中执行搜索。之后,检索了5个电子书目数据库,截止到2021年4月10日:Web of Science(所有数据库)、Scopus、SportDiscus、PubMed和b谷歌Scholar。结果。最终的分析包括六项研究,共涉及138名参与者。关于被评估的身体素质,4项研究通过垂直跳跃评估力量,3项评估跑步速度,一项评估无氧耐力(30秒),另一项评估静坐和伸展的柔韧性。结论。与没有热身相比,学龄儿童在训练前进行动态或特定的热身练习似乎可以提高速度和力量表现。然而,热身运动对学龄儿童耐力和柔韧性的影响还有待进一步研究。
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引用次数: 1
Investigating the Role of Tourism in Economic Growth: Empirical Evidence from Pakistan 旅游业在经济增长中的作用研究——来自巴基斯坦的经验证据
Q3 Health Professions Pub Date : 2022-03-01 DOI: 10.2478/pjst-2022-0007
M. Azam, Mahdiat Mahdiat, M. Hafeez, B. Bakhtyar
Abstract Introduction. This study aims to explore the impact of tourism along with some other regressors, namely labor force, official development assistance, local investment, and inflation rate on the economic growth rate of the developing country of Pakistan. Material and Methods. We used annual time series data over the period from 1980 to 2018 for empirical analysis. Based on the order of integration of data, we employed an Autoregressive Distributed Lag (ARDL) approach. Results. Empirical results vindicated a positive relationship between tourism and growth. The official development assistance and inflation rate have shown significantly negative impacts on the economic growth of Pakistan, whereas domestic investment has shown an insignificantly positive impact on the economic growth. Conclusions. The empirical findings exhibit that tourism plays a key role in the process of economic growth and development of Pakistan. The study recommends that the management authorities should implement appropriate policies to attract more tourists to improve economic growth of Pakistan. Furthermore, sincere efforts are required to ensure macroeconomic stability through controlling inflation, avoiding reception of foreign aid, and encouraging global investment.
摘要介绍。本研究旨在探讨旅游业与其他一些回归因素,即劳动力、官方发展援助、地方投资和通货膨胀率对发展中国家巴基斯坦经济增长率的影响。材料和方法。我们使用1980年至2018年的年度时间序列数据进行实证分析。根据数据的集成顺序,采用自回归分布滞后(ARDL)方法。结果。实证结果证实了旅游业与经济增长之间的正相关关系。官方发展援助和通货膨胀率对巴基斯坦经济增长具有显著的负向影响,而国内投资对经济增长具有不显著的正向影响。结论。实证结果表明,旅游业在巴基斯坦经济增长和发展过程中发挥了关键作用。该研究建议管理当局应实施适当的政策来吸引更多的游客,以促进巴基斯坦的经济增长。此外,需要作出真诚的努力,通过控制通货膨胀、避免接受外国援助和鼓励全球投资来确保宏观经济稳定。
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引用次数: 2
Physical and Physiological Characteristics of Female Artistic Roller Skaters Based on Discipline and Level of Expertise 从学科和专业水平看女子艺术轮滑运动员的身体生理特征
Q3 Health Professions Pub Date : 2022-03-01 DOI: 10.2478/pjst-2022-0006
André Rebelo, M. Valamatos, Sofia Franco, F. Tavares
Abstract Introduction. In artistic roller skating, athletes use shoes fitted with small wheels to be used in rinks. The sport consists of seven disciplines characterized by different physical demands. Roller skaters are judged on content and manner of performance, and this includes the skater’s ability to do jumps, spins, and footwork. To date, no study has analyzed the different physical qualities in artistic roller skaters based on their skating discipline and skating level. Thus, the purpose of this study was to compare the body composition, flexibility, balance, reactive strength, maximal strength and aerobic capacity based on skating discipline and skating level. Material and methods. A total of 108 female athletes from the three individual disciplines (figures, freestyle, and solo dance) and three different levels (elite, sub-elite, and non-elite) volunteered to participate in this study. All subjects completed the sit-and-reach, front split, Y-Balance, countermovement jump, squat jump, drop jump, isometric mid-thigh pull and 20-metre multistage shuttle roller skate tests. Six multivariate analyses of variance were performed to identify differences between disciplines and levels. Statistical significance was set at p < 0.05. Results. The findings showed that freestyle skaters have less body fat, and higher levels of reactive and maximal strength than figure and solo dance skaters. Elite skaters demonstrate greater values of flexibility, balance, strength and aerobic capacity compared to their sub-elite and non-elite counterparts. Conclusions. The results of this study showed that there are differences between elite and non-elite athletes and between skating disciplines. Strength and conditioning professionals should take that into consideration when training these athletes.
摘要简介。在艺术轮滑中,运动员在溜冰场使用装有小轮子的鞋子。这项运动由七个学科组成,以不同的身体需求为特点。轮滑运动员的评判标准是表演的内容和方式,包括跳跃、旋转和步法的能力。到目前为止,还没有研究根据艺术轮滑运动员的滑冰纪律和滑冰水平来分析他们不同的身体素质。因此,本研究的目的是根据滑冰规则和滑冰水平,比较身体组成、灵活性、平衡性、反应力、最大力量和有氧能力。材料和方法。共有来自三个单项(花样、自由泳和独舞)和三个不同级别(精英、亚精英和非精英)的108名女运动员自愿参加了这项研究。所有受试者都完成了仰卧起坐、前叉、Y平衡、反动作跳跃、深蹲跳跃、下落跳跃、等长大腿中部提拉和20米多级穿梭轮滑测试。进行了六项多变量方差分析,以确定学科和水平之间的差异。统计学显著性设定为p<0.05。后果研究结果表明,与花样滑冰和单人舞相比,自由式滑冰选手的体脂更少,反应能力和最大力量水平更高。与亚精英和非精英选手相比,精英选手在灵活性、平衡性、力量和有氧能力方面表现出更大的价值。结论。研究结果表明,优秀运动员和非优秀运动员之间以及滑冰项目之间存在差异。力量和体能训练专业人员在训练这些运动员时应该考虑到这一点。
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引用次数: 2
Comparison of Leg Muscle Activity During Level and Uphill Walking in Individuals with Flat Foot and Normal Foot: A Cross-Sectional Study 平足和正常足患者水平行走和上坡行走时腿部肌肉活动的比较:横断面研究
Q3 Health Professions Pub Date : 2022-03-01 DOI: 10.2478/pjst-2022-0003
Junaid Waheed, N. Arora, M. Khan
Abstract Introduction. Arches of the foot play a significant role in lower limb function and impairments in the arches are correlated to increased injury risk. The aim of this study was to identify the difference in muscles activity in individuals with a flat foot as compared to those with normal foot arch using surface electromyography (sEMG) while walking on at different speeds and gradients (slope of the treadmill). Material and Methods. Sixty healthy subjects were recruited by convenience sampling method and equally divided into two groups: short arch group (n = 30) and normal arch group (n = 30) by measuring arch height. All the subjects were made to walk on a treadmill at varying speeds (2.7, 4.5, and 6.3 km/h) and gradients (0%, 3%, 6% and 9%). The sEMG activity was recorded for medial gastrocnemius (GM) muscle and peroneus longus (PL) muscle while walking on the treadmill. Results. 2 x 3 x 4 split-plot ANOVA revealed a significant group effect for GM activity (p < 0.001), whereas PL activity was not able to show a significant group effect (p = 0.109). Increasing speeds led to a significant difference in the sEMG activity of PL and GM muscles (p < 0.001) in the two groups. Increasing gradient of treadmill also showed a significant difference in the sEMG activity in the two groups for PL and GM muscle (p < 0.05). Conclusions. The findings of this study demonstrated that subjects with flat feet had a lesser activation in PL muscles as compared to subjects with normal foot curvature. Therefore, it is necessary to incorporate strategies to improve the strength of these muscles to improve the arches of the foot.
摘要简介。足弓在下肢功能中起着重要作用,足弓损伤与受伤风险增加有关。本研究的目的是使用表面肌电图(sEMG),在不同速度和坡度(跑步机坡度)下行走时,确定平足患者与足弓正常患者的肌肉活动差异。材料和方法。采用方便抽样法,将60名健康受试者平均分为两组:短弓组(n=30)和正常弓组(n=30)。让所有受试者在跑步机上以不同的速度(2.7、4.5和6.3公里/小时)和坡度(0%、3%、6%和9%)行走。记录在跑步机上行走时腓肠肌内侧(GM)和腓骨长肌(PL)的sEMG活性。后果2 x 3 x 4分裂图方差分析显示GM活性具有显著的群体效应(p<0.001),而PL活性不能显示出显著的群体影响(p=0.109)。速度的增加导致两组PL和GM肌肉的sEMG活性存在显著差异(p<001)。增加跑步机坡度对PL和GM肌表面肌电活性也有显著差异(p<0.05)。这项研究的结果表明,与足部弯曲正常的受试者相比,平足受试者的PL肌肉激活较少。因此,有必要结合提高这些肌肉力量的策略来改善足弓。
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引用次数: 0
Psychic income benefits of the Rio 2016 Olympic Games: comparison of host community pre- and post-Games perceptions 2016年奥运会的精神收入效益:主办社区对奥运会前后看法的比较
Q3 Health Professions Pub Date : 2022-01-02 DOI: 10.1080/14775085.2021.2023364
Thárcyla Mourão, T. Ribeiro, Victor Manoel Cunha de Almeida
ABSTRACT This study aims to examine psychic income perceptions of the Rio 2016 Olympic Games before and after the event. Data were collected among Rio residents by using a pre-Games (n = 350) and post-Games design (n = 403). The cross-sectional data were assessed over time and the results gathered through a confirmatory factor analysis (CFA) for assessing the psychometric properties of the 7-factor scale. Subsequently, MANOVA and a series of ANOVA tests were performed to analyse the differences in perceptions before and after the Games. The CFA results showed factorial stability of the psychic income model in both periods, while the mean comparisons revealed significant differences in all psychic dimensions in the short term. Results indicated that resident perceptions of psychic income tend to increase from pre- to post-event. This study evidences the psychological effects of hosting a sport mega-event, leading to a better comprehension of how local communities perceive the event’s impact within a short time frame.
摘要本研究旨在考察2016年里约奥运会前后的心理收入感知。采用奥运会前(n = 350)和奥运会后设计(n = 403)在里约居民中收集数据。随着时间的推移,对横断面数据进行评估,并通过验证性因子分析(CFA)收集结果,以评估7因素量表的心理测量特性。随后,进行了方差分析和一系列方差分析,以分析奥运会前后认知的差异。CFA结果显示两个时期的心理收入模型的因子稳定性,而平均比较显示短期内所有心理维度的显着差异。结果表明,居民对心理收入的感知从事件发生前到事件发生后呈增加趋势。这项研究证明了举办大型体育赛事的心理影响,从而更好地理解当地社区如何在短时间内看待赛事的影响。
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引用次数: 0
The Perceived Impacts of Staging the 2022 FIFA World Cup in Qatar 2022年世界杯在卡塔尔举办的感知影响
Q3 Health Professions Pub Date : 2022-01-02 DOI: 10.1080/14775085.2021.2017327
A. Al-Emadi, Abdellatif Sellami, Adam Mohamedali Fadlalla
ABSTRACT This paper aimed to examine residents’ attitudes and perceptions of the social and cultural impacts of the 2022 FIFA World Cup and to understand the legacy dimensions of this sport event in Qatar. Drawing on social exchange theory, this paper reports results from survey data comprising 1018 nationals and 1014 expatriates who participated in the Survey of Perceptions and Attitudes towards the 2022 FIFA World Cup conducted in 2019 in Qatar. An impact scale comprising 21 social and cultural impact items was used to elicit participants’ responses. Results from ANOVA indicated that nationality matters with respect to perceived significant predictors of the World Cup. Results revealed that residents, national and expatriates, were supportive of hosting the event in Qatar but were concerned over traffic, pollution, price increases, and the potential rise in the overall cost of living. The paper concludes with implications for mega-sports events and future research are proposed.
本文旨在研究居民对2022年FIFA世界杯的社会和文化影响的态度和看法,并了解这项体育赛事在卡塔尔的遗产维度。根据社会交换理论,本文报告了参与2019年在卡塔尔进行的对2022年FIFA世界杯的看法和态度调查的1018名国民和1014名外籍人士的调查数据的结果。影响量表包括21个社会和文化影响项目,用来引出参与者的反应。方差分析的结果表明,国籍对世界杯的感知显著预测因素有影响。调查结果显示,无论是本国居民还是外籍人士,都支持在卡塔尔举办世界杯,但担心交通、污染、价格上涨以及整体生活成本的潜在上升。文章最后提出了对大型体育赛事的启示,并对未来的研究提出了建议。
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引用次数: 8
A glimpse into the experience of a youth sport tourism consumer: an analysis of parents vs. coaches 青少年体育旅游消费者体验的一瞥:父母与教练的对比分析
Q3 Health Professions Pub Date : 2022-01-02 DOI: 10.1080/14775085.2022.2026809
E. Hungenberg, Thomas J. Aicher, Taylor L Sawyer
ABSTRACT The newly coined ‘sport-cation' nature of youth sport is multifaceted, complex and under-researched. Given the scholars’ desire to provide actionable implications to sport practitioners, it was necessary to examine the complementary roles that the tourism attractions, sport event elements and customer service encounters play in achieving memorable experiences for youth sport consumers. To ensure the generalizability of the study’s findings, 7399 responses were captured from coaches and parents attending travel events representing volleyball, softball, baseball and lacrosse. Results from structural equation modeling reveal key touchpoints and organizational tactics that directly and indirectly influence goals spectators’, event practitioners’ and destination marketers’ hope to realize through youth sport (i.e. event satisfaction, word-of-mouth and repeat visit). For instance, attendees identified lodging experience, tournament format and destination amenities as experiential elements most germane to the service marketing mix. For sport organizations, findings underscore the importance of cocreation, relying upon community support and recommendation when designing and executing a youth sport travel event.
新创造的青少年体育的“运动度假”性质是多方面的,复杂的,研究不足。鉴于学者们希望为体育从业者提供可操作的启示,有必要研究旅游景点、体育赛事元素和客户服务在为青少年体育消费者实现难忘体验方面所起的互补作用。为了确保研究结果的普遍性,我们从参加排球、垒球、棒球和长曲棍球巡回赛的教练和家长那里收集了7399份回复。结构方程模型的结果揭示了直接或间接影响观众、赛事从业者和目的地营销人员希望通过青少年体育实现的目标(即赛事满意度、口碑和回头率)的关键接触点和组织策略。例如,与会者认为住宿体验、比赛形式和目的地设施是与服务营销组合最相关的体验元素。对于体育组织来说,研究结果强调了共同创造的重要性,即在设计和执行青少年体育旅游活动时依靠社区的支持和建议。
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引用次数: 0
Participation in active sport tourism: impact assessment of destination involvement and perceived risk 积极体育旅游的参与:目的地参与和感知风险的影响评估
Q3 Health Professions Pub Date : 2021-12-22 DOI: 10.1080/14775085.2021.2017326
Maria Johann, Sita Mishra, Gunjan Malhotra, S. Tiwari
ABSTRACT Sport tourism has been gaining importance in recent times, and its impact on destinations is significant. This study measures the main motivations to participate in active sport tourism in Poland. It focuses on mediating and moderating the relationship between travel motives and destination involvement, coupled with perceived risk and intention to participate. It conceptualizes a comprehensive model of motivational factors, vis a vis their relationship with participation intention. Data were collected from a sample of young adults aged 18–35, using a self-administered questionnaire survey. The results show that active sport tourists are likely to modify their intention to participate based on a chosen destination. Moreover, the results also help in identifying the mediating role of destination involvement, along with the moderating impact of perceived risk. Notably, the perceived risk does tend to have a negative effect on the relationship between destination involvement and participation intention.
近年来,体育旅游越来越受到重视,对旅游目的地的影响也越来越大。本研究测量了参与波兰积极体育旅游的主要动机。它着重于中介和调节旅游动机和目的地参与之间的关系,以及感知风险和参与意愿。它构想了一个综合的激励因素模型,以及它们与参与意愿的关系。数据收集自18-35岁的年轻人样本,采用自我管理的问卷调查。结果表明,积极的体育游客可能会根据所选择的目的地改变他们的参与意愿。此外,研究结果还有助于确定目的地涉入的中介作用,以及感知风险的调节作用。值得注意的是,感知风险对目的地涉入与参与意愿之间的关系有负向影响。
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引用次数: 2
期刊
Polish Journal of Sport and Tourism
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