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Factors Affecting Critical Features of Fundamental Movement Skills in Young Children 影响幼儿基本运动技能关键特征的因素
IF 1.3 Q2 Medicine Pub Date : 2019-08-02 DOI: 10.26773/MJSSM.190904
M. Marinšek, I. Blažević, Silvester Lipošek
Despite significant advances in the knowledge and understanding of associations between the phenomenon of excess body weight (hereafter “overweightness”) and fundamental movement skill (FMS) proficiency, the question of how overweightness affects critical features of movement remains unanswered. This study examined the differences in the proficiency of FMS between boys and girls with different weight status on the level of critical features. Three hundred and twenty-two boys and girls aged 5 to 10 years were assessed in eight FMS (run, vertical jump, long jump, ball catch, ball kick, ball pass, ball bounce, and forehand strike) and were assigned to non-overweight and overweight groups according to their waist-to-height ratio, with a cut-off point of 0.5. FMS score differences (p < 0.05) between boys and girls that can be frequently observed in the non-overweight group of children were not determined in the overweight group of children (p ≥ 0.131). Overweight boys performed worse in a higher number of skills’ critical features than overweight girls did when compared to non-overweight groups. With weight gain, boys might experience a more significant decline in FMS proficiency than girls do because of the higher scores when non-overweight. The critical features of FMS indicate that overweightness might affect postural control and coordination, which this paper discusses.
尽管对超重现象(以下简称“超重”)与基本运动技能(FMS)熟练程度之间关系的认识和理解取得了重大进展,但超重如何影响运动关键特征的问题仍未得到解答。本研究考察了不同体重状况的男孩和女孩在关键特征水平上对FMS熟练程度的差异。对322名5 - 10岁的男孩和女孩进行了8项FMS(跑步、垂直起跳、跳远、接球、踢球、传球、弹球和正手击球)评估,并根据腰高比分为非超重组和超重组,分界点为0.5。男孩和女孩之间的FMS评分差异(p < 0.05)在非超重组儿童中常见,但在超重组儿童中未见差异(p≥0.131)。与非超重组相比,超重男孩在更多关键技能特征上的表现比超重女孩差。随着体重的增加,男孩在FMS熟练程度上的下降可能比女孩更明显,因为在非超重时男孩的分数更高。FMS的关键特征表明,超重可能会影响姿势控制和协调,本文对此进行了讨论。
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引用次数: 5
Burnout and Coping Strategies among Private Fitness Centre Employees 私人健身中心员工的职业倦怠与应对策略
IF 1.3 Q2 Medicine Pub Date : 2019-08-01 DOI: 10.26773/MJSSM.190905
Y. Georgiou, Aggeliki Fotiou
This study aimed to examine the relationships between burnout and coping strategies among private health and fitness centre employees. Using a stratified random sampling method, a sample of 205 employees (50.7% males and 49.3% females) (51.2% full time and 48.8% part-time) completed the Maslach Burnout Inventory-General Survey (MBI–GS) and Ways of Coping Survey questionnaires. Statistical analysis showed that passive coping was associated with higher levels of depersonalization and lack of personal accomplishment while active coping has a possible negative effect on the development of burnout.
本研究旨在探讨私人健康健身中心员工的职业倦怠与应对策略之间的关系。采用分层随机抽样的方法,对205名员工(男性50.7%,女性49.3%)(全职51.2%,兼职48.8%)进行了《Maslach职业倦怠综合调查》和《应对方式调查》问卷调查。统计分析表明,被动应对与较高水平的人格解体和个人成就感缺乏相关,而主动应对可能对职业倦怠的发展有负面影响。
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引用次数: 2
How grit is Related to Objectively Measured Moderate-to-Vigorous Physical Activity in School Student 学生的毅力与客观测量的中高强度体育活动有何关系
IF 1.3 Q2 Medicine Pub Date : 2019-08-01 DOI: 10.26773/MJSSM.190907
V. Hein, Hanna Kalajas-Tilga, A. Koka, L. Raudsepp, Henri Tilga
This study aimed to estimate parameters of the model in which perseverance of effort and consistency of interest of grit scale are related directly to objectively measured physical activity (PA) and indirectly via PA intention in school students (N = 209) aged 12 to 14 years. The Grit Scale was used to estimate the consistency of interests and perseverance of efforts. The measure for intention consisted of two items from the Theory of Planned Behaviour Questionnaire. Actigraph was used to measure moderate-to-vigorous physical activity (MVPA) during seven consecutive days. A well-fitting structural equation model (χ2 = 46.169, df = 31; CFI = .958; RMSEA = .053) demonstrated the significant direct effect (β = .286, p< .001) from perseverance of efforts on intention to be physical active. Physical activity intention mediated the effect of the perseverance of efforts on moderate-to-vigorous physical activity (MVPA), but not the effect of consistency of interest. The total effect from the consistency of interest on MVPA was significant, but the perseverance of efforts was not. The dimension of the perseverance of efforts between groups with high and low MVPA was not statistically significantly different, whereas the intention was significantly higher in the high-MVPA group. The consistency of the interest dimension in the high MVPA group was significantly higher than in low group only at p < .1 level. The findings of the study may be used by physical education teachers for the promotion of physical activity, highlighting the role of consistency of interest on MVPA.
本研究旨在估计12 ~ 14岁在校学生(N = 209)的努力毅力和兴趣一致性与客观测量的体育活动(PA)直接相关,并通过体育活动意向间接相关的模型参数。砂砾量表用于评估兴趣的一致性和努力的毅力。意向测量由计划行为理论问卷中的两个项目组成。使用Actigraph测量连续7天的中高强度体力活动(MVPA)。拟合良好的结构方程模型(χ2 = 46.169, df = 31;Cfi = .958;RMSEA = 0.053)表明,坚持不懈的努力对体育锻炼意愿有显著的直接影响(β = 0.286, p< 0.001)。体育活动意向在努力毅力对中高强度体育活动(MVPA)的影响中起中介作用,但在兴趣一致性中不起中介作用。兴趣一致性对MVPA的总影响是显著的,但坚持不懈的努力却不是。高、低MVPA组的努力坚持维度差异无统计学意义,而高MVPA组的努力坚持维度显著高于低MVPA组。高MVPA组兴趣维度的一致性显著高于低MVPA组,仅在p < 0.1水平上。本研究结果可作为体育教师促进体育活动的参考,强调兴趣一致性对MVPA的作用。
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引用次数: 14
Respiratory Parameters in Elite Finn-Class Sailors 精英芬兰级水手的呼吸参数
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190301
Luka Pezelj, Boris Milavić, Marko Erceg
Spirometry is an essential test for assessing the state of the respiratory system. It provides the measurement of the ventilation volumes and fl ows expressed in absolute and relative values. Among elite athletes, the values of ventilation parameters are usually higher than the norm; therefore the interpretation of individual results of elite athletes in relation to the general healthy population is not advisable. Th is study aimed to determine the respiratory characteristics of elite sailors in the Olympic Finn class, and the diff erences between more successful and less successful sailors according to the criterion of sport effi cacy. Th e study included 33 sailors of the Olympic Finn class who participated at the 2015 Finn European Championship. Absolute values of spirometry parameters of elite Finn sailors (FVC-Forced-vital-capacity 5.96±0.79; FEV1-Forced-expiratoryvolume-in-1-second 5.10±0.63; FEV1/FVC%-Forced-expiratory-volume-in-1-second/Forced-vital-capacity 86.10±6.38; MVV-Maximum-voluntary-ventilation 190.94±32.64) are higher than the spirometry values of most other athletes. Relative values of spirometry parameters of elite Finn sailors (FVC% 101.24±14.21; FEV1% 102.53±12.09; FEV1/FVC%% 102.00±7.94; MVV% 96.77±18.59) are within the ranges of most elite athletes. Elite sailors can be considered healthy in terms of ventilation, and sailing as a sports activity can be considered benefi cial for the ventilatory function of the lungs. More successful sailors had higher mean values of absolute and relative ventilation parameters of FVC, FEV1, and MVV, whereas signifi cant diff erences were determined in the variables of MVV. Th e diff erences between more successful and less successful sailors in the MVV and MVV% variables could be interpreted precisely by the state of respiratory muscles.
肺活量测定法是评估呼吸系统状态的一项基本测试。它提供了以绝对值和相对值表示的通风量和流量的测量。在优秀运动员中,通气参数值通常高于正常值;因此,将优秀运动员的个人结果与一般健康人群的结果进行解释是不可取的。本研究旨在确定奥林匹克芬兰人级别优秀运动员的呼吸特征,并根据运动效能标准确定较成功和较不成功运动员之间的差异。这项研究包括参加2015年芬兰欧洲锦标赛的33名奥林匹克级别的水手。芬兰优秀水手肺活量测定参数绝对值(fvc -强制肺活量5.96±0.79;FEV1-Forced-expiratoryvolume-in-1-second 5.10±0.63;FEV1 / FVC % -Forced-expiratory-volume-in-1-second /用力肺活量86.10±6.38;mvv -最大自主通气(190.94±32.64)高于其他大多数运动员的肺活量测定值。芬兰优秀水手肺活量测定参数的相对值(FVC% 101.24±14.21;FEV1% 102.53±12.09;FEV1 / FVC % % 102.00±7.94;MVV%(96.77±18.59)在大多数优秀运动员的范围内。优秀的水手在通风方面可以被认为是健康的,帆船运动作为一项体育活动可以被认为对肺部的通风功能有益。越成功的水手FVC、FEV1和MVV的绝对和相对通气参数的平均值越高,而MVV的变量存在显著差异。成功水手和不成功水手在MVV和MVV%变量上的差异可以通过呼吸肌的状态来精确解释。
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引用次数: 5
Neuromuscular Adaptations after Blood Flow Restriction Training Combined with Nutritional Supplementation: A Preliminary Study 限制血流训练结合营养补充后的神经肌肉适应:初步研究
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190306
I. Chulvi-Medrano, Alicante Spain Specific Didactics, Moisés Picón-Martínez, Miguel García-Jaén, J. Cortell-Tormo, Y. Alakhdar, G. Laurentino
Blood fl ow restriction training (BFRT) has been shown to be an eff ective alternative technique to conventional resistance training to increase skeletal muscle hypertrophy and strength. However, neuromuscular response to BFRT in combination with nutritional supplementation has rarely been studied. Th e purpose of this study was to investigate the eff ects of BFRT combined with creatine monohydrate (CrM) and/or hydroxymethyl butyrate (HMB) on skeletal muscle size and strength. Fift een healthy males were randomly divided into three groups: a) BFRT without supplementation (C-BFR); b) BFRT with CrM supplementation (0.3 g / kg-1) (CrM-BFR); and c) BFRT with CrM (0.3 g / kg-1) and HMB (3 g) supplementation (CrM + HMB-BFR). Participants performed elbow fl exion exercise (30% of maximal isometric voluntary contraction (MIVC)) at 30% of total occlusion pressure, twice a week, for three weeks. MIVC of the elbow fl exion and brachial biceps muscle thickness were assessed preand post-training. Th ere was no signifi cant group-by-time interaction for MIVC values (p>0.05). Biceps muscle thickness was signifi cantly increased from preto post-test in all groups (p<0.05). Th e C-BFR group obtained a greater value of eff ect size (d=2.2). Th ese fi ndings suggest that 3 weeks of CrM and HMB supplementation had no infl uence on BFRT-induced neuromuscular adaptations.
血流量限制训练(BFRT)已被证明是传统阻力训练的有效替代技术,以增加骨骼肌肥大和力量。然而,神经肌肉对BFRT联合营养补充的反应很少被研究。本研究的目的是探讨BFRT联合一水肌酸(CrM)和/或丁酸羟甲基酸(HMB)对骨骼肌大小和力量的影响。将50名健康男性随机分为3组:a)不添加BFRT (C-BFR);b)添加CrM的BFRT (0.3 g / kg-1) (CrM- bfr);c)添加CrM (0.3 g / kg-1)和HMB (3g)的BFRT (CrM + HMB- bfr)。参与者在总咬合压力的30%下进行肘关节外翻运动(最大等距自主收缩(MIVC)的30%),每周两次,持续三周。训练前后分别评估肘关节外翻的MIVC和肱二头肌的厚度。两组间MIVC值无显著组间交互作用(p>0.05)。各组大鼠肱二头肌厚度均显著高于试验前和试验后(p<0.05)。C-BFR组获得更大的效应值(d=2.2)。这些结果表明,3周的CrM和HMB补充对bfrt诱导的神经肌肉适应没有影响。
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引用次数: 6
The Influence of Coaches’ Instruction on Technical Actions, Tactical Behaviour, and External Workload in Football Small-Sided Games 足球小方比赛中教练员指导对技术动作、战术行为和外部负荷的影响
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190305
Jorge Batista, B. Gonçalves, J. Sampaio, Julia Castro, Eduardo Abade, B. Travassos
Th is study aimed to explore the eff ects of previous instruction on technical, tactical and external workload performances in football small-sided games. Two 7-a-side balanced competitive teams received instructions regarding the rules of the small-sided games proposed. Additionally, one team received instructions from the coach regarding the collective tactical behaviour required for each exercise condition: (a) Without strategic instruction (WSI); (b) Defensive strategy (DS); (c) Off ensive strategy (OS) to play against the team that only received the rules of the small-sided games. Th e comparisons among game scenarios were assessed via standardised mean diff erences. Th e comparison between WSI and DS revealed higher number of defensive actions, less space covered, and more distance covered in jogging for DS in comparison with WSI. Th e comparison between WSI and OS revealed more passes per ball possession, larger team length, larger space covered, lower distance covered walking, and more distance covered in jogging for OS in comparison with WSI. Th e results reinforce that coaches’ previous instruction constrains the technical, tactical, and physical demands of small-sided games in football. Th e use of previous instruction regarding strategical and tactical behaviour allows highlighting the players’ behaviour and ensures functional team performance.
本研究旨在探讨前训对足球小型比赛技战术和外部负荷表现的影响。两支均衡的7人制比赛队伍接受了关于小型比赛规则的指导。此外,一个队从教练那里得到关于每个训练条件下所需的集体战术行为的指示:(a)没有战略指导;(b)防御战略;(c)进攻策略(OS)对抗只接受小方比赛规则的球队。游戏场景之间的比较通过标准化平均差异进行评估。对比WSI和DS,发现与WSI相比,DS的防守动作次数更多,跑动空间更少,跑动距离更长。对比WSI和OS,我们发现OS的每次控球次数更多,团队长度更大,覆盖的空间更大,步行覆盖的距离更短,慢跑覆盖的距离更多。研究结果进一步表明,教练员的前期指导制约了小型足球比赛的技术、战术和体能要求。使用先前关于战略和战术行为的指导可以突出球员的行为并确保团队的功能表现。
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引用次数: 19
The Important Game-Related Statistics for Qualifying Next Rounds in Euroleague 欧洲联赛下一轮预选赛的重要比赛相关数据
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190307
Ilkay Dogan, Yasin Ersöz
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引用次数: 9
Comparison of the Static and Dynamic Balance Between Normal-Hearing and Hearing-Impaired Wrestlers 听力正常与听力受损摔跤运动员静态与动态平衡的比较
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190302
B. Coskun, Gürcan Ünlü, Bahman Golshaei, S. Koçak, S. Ki̇razci
Balance is fundamental in sport, especially when there is an opponent. Although balance can be improved with practice, it is highly aff ected by nervous system disorders, particularly by vestibular disorders and visual impairment. Th e purpose of this study was to compare static and dynamic balance between normal and hearing-impaired wrestlers. Th e participants were 52 young male hearing-impaired wrestlers (n=29, age=18.76±3.54) and normal-hearing athletes (n=23, age=19.09±2.76) competing at the national level. Th e static and dynamic balance were measured using the stork test on one foot and the Y-balance test (in anterior, posteromedial & posterolateral directions). MANOVA indicated signifi cant diff erences between groups (Wilks’ L=.284, F12,39=8.21, p<.05, η2=.72). Diff erences were detected in how long the participant had been active in the sport F(year) (F1,50=145.95, p<.025, η2=.75) and right leg static balance (F1,50=73.63, p<.025, η2=.60). As for the Y balance test, there was also a signifi cant diff erence in the anterior direction for the right leg (F1,50=4880.66, p<.025, η2=.99) and left leg (F1,50=3563.87, p<.025, η2=.99). Hearing-impaired wrestlers performed better balance abilities in the dynamic balance test of right and left legs in the anterior direction. In contrast, the amount of time active in the sport and the static balance of the right leg were found better in normal-hearing wrestlers. Being better than normal wrestlers only in the anterior direction of the dynamic balance might be due to the diff erences related to the directions of the test. Future studies are recommended for investigating the reasons for this diff erence.
平衡是运动的基础,尤其是当有对手的时候。虽然平衡可以通过练习得到改善,但它受到神经系统疾病的高度影响,特别是前庭疾病和视力障碍。本研究的目的是比较正常和听障摔跤运动员的静态和动态平衡。研究对象为52名年轻男性国家级听力障碍摔跤运动员(n=29,年龄=18.76±3.54)和正常听力运动员(n=23,年龄=19.09±2.76)。采用单足鹳试验和y -平衡试验(前、后内侧和后外侧方向)测量静、动平衡。方差分析显示两组间差异有统计学意义(Wilks’L=。284, F12,39=8.21, p<。05年,η2 =标识)。在参与者参与运动的时间F(年)方面检测到差异(F1,50=145.95, p<。025, η2=.75)和右腿静平衡(F1,50=73.63, p<。025年,η2 = 60美分。在Y平衡测试中,右腿前方向也有显著性差异(F1,50=4880.66, p<。025, η2= 0.99)和左腿(F1,50=3563.87, p<。025年,η2 = 0)。听力障碍摔跤运动员在左右腿前向动态平衡测试中表现出更好的平衡能力。相比之下,听力正常的摔跤运动员在运动中活跃的时间和右腿的静态平衡方面表现得更好。在动态平衡的前方向上优于普通摔跤运动员可能是由于与测试方向相关的差异。未来的研究建议调查这种差异的原因。
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引用次数: 6
Regional Differences in Adult Body Height in Kosovo 科索沃成人身高的地区差异
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190310
B. Masanovic, Tonči Bavčević, I. Prskalo
Th is study aimed to test average body heights in both the male and females of Kosovo, as well as the diff erences in heights of both sexes in relation to the Kosovo administrative regions. A total of 1623 subjects participated in the research: 830 boys and 793 girls all attending their fi nal year of secondary school. Th e anthropometric measurements were taken for subjects of both sexes from fi ve diff erent administrative regions of Kosovo. Th e measurements of body heights were taken by trained measurers in conformity with the ISAK protocol. Means and standard deviations were calculated for ages and body heights, as were frequencies for the calculation of the density of very short and very tall subjects. Th e results indicated that the average height of the male population of Kosovo was 179.52±5.96 centimetres and of the female population 165.72±4.93 centimetres. Th ese results classify both the male and female populations of Kosovo among the tallest in the world. Regarding the regional diff erences, some variations have been observed, and the diff erences in body heights among specifi c regions clearly confi rm the assumption that the population living in the Dinaric Alps is taller in relation to the rest of the population, while the specifi c average height of the central region, where the capital city is located, refl ects the expected situation conditioned by continuous migrations from all other parts of Kosovo, as well as the fact that there is a growing secular trend towards the territory of the capital city, due to better economic and living conditions.
该研究旨在测试科索沃男性和女性的平均身高,以及与科索沃行政区域有关的两性身高差异。共有1623名研究对象参与了这项研究:830名男孩和793名女孩都在上中学的最后一年。对来自科索沃五个不同行政区域的男女受试者进行了人体测量。身高测量由训练有素的测量人员按照ISAK规程进行。计算了年龄和身高的平均值和标准偏差,以及计算非常矮和非常高受试者的密度的频率。结果表明,科索沃男性人口平均身高为179.52±5.96 cm,女性人口平均身高为165.72±4.93 cm。这些结果将科索沃的男性和女性人口列为世界上最高的。关于区域差异,已经观察到一些变化,具体区域之间的身高差异清楚地证实了居住在第纳尔阿尔卑斯山脉的人口相对于其他人口更高的假设,而首都所在的中部地区的具体平均身高反映了科索沃所有其他地区不断移民的预期情况。此外,由于更好的经济和生活条件,越来越多的人倾向于首都的领土。
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引用次数: 19
Fathers – An Untapped Resource for Increasing Physical Activity among African American Girls 父亲——增加非裔美国女孩体育活动的未开发资源
IF 1.3 Q2 Medicine Pub Date : 2019-03-01 DOI: 10.26773/MJSSM.190304
T. Blackshear
African American girls’ physical activity signifi cantly declines during adolescence. Single mothers are raising many African American girls. Research on the benefi ts of fathers’ involvement on physical activity is minimal, especially regarding girls. Th e current study examines the impact that fathers’ involvement and family structure have on physical activity behaviours among African American adolescent girls (n=40). Data were collected via a demographic questionnaire, a father involvement scale, and a leisure time exercise instrument. Data were analysed via descriptive statistics, analysis of variance, and multiple regression. African American girls’ physical activity habits are positively associated with involved fathers. Girls reporting high father involvement had higher rates of physical activity than girls reporting low father involvement did. Girls from two-parent families had higher physical activity rates than girls in single-parent households, but these fi ndings were non-signifi cant. Fathers being actively engaged in physical activities was a signifi cant predictor of physical activity among the study population. Fathers demonstrating nurturing and participatory behaviours, irrespective of residential or biological status, may be instrumental in promoting physical activity among African American adolescent girls. Physical activity programming targeting African American girls should include fathers and other male fi gures, as they may be instrumental in keeping African American girls physically active.
非裔美国女孩在青春期的体育活动明显减少。单身母亲抚养着许多非裔美国女孩。关于父亲参与体育活动的好处的研究很少,尤其是关于女孩的研究。目前的研究考察了父亲的参与和家庭结构对非裔美国少女体育活动行为的影响(n=40)。数据通过人口统计问卷、父亲参与量表和休闲时间运动仪器收集。通过描述性统计、方差分析和多元回归对数据进行分析。非裔美国女孩的体育活动习惯与参与其中的父亲呈正相关。报告父亲参与度高的女孩比报告父亲参与度低的女孩有更高的体育活动率。双亲家庭的女孩比单亲家庭的女孩有更高的体育锻炼率,但这些发现并不显著。在研究人群中,父亲积极参与体育活动是体育活动的重要预测因素。无论居住或生理状况如何,父亲表现出养育和参与行为,可能有助于促进非裔美国少女的体育活动。针对非裔美国女孩的体育活动计划应该包括父亲和其他男性人物,因为他们可能有助于保持非裔美国女孩的体育活动。
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引用次数: 15
期刊
Montenegrin Journal of Sports Science and Medicine
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