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Acute effects of three different stretching techniques on hamstring flexibility in professional football players 三种不同的拉伸技术对职业足球运动员腿筋柔韧性的急性影响
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-06-30 DOI: 10.29359/bjhpa.15.2.08
Erkan Erol, Ramazan Yıldız, Aysel Yıldız, F. Doğan, B. Elbasan
Introduction: Hamstring injuries are common in physically active people and athletes. Lack of hamstring flexibility is the one of the most important characteristics of hamstring injuries in athletes. The aim of this study was to investigate effects of three different stretching techniques on hamstring flexibility in professional football players. Materials and Methods: Fifty-five male football players between the ages of 18–20 years old were involved in the study. The participants were divided into 3 groups: static stretching, neuromobilization and Mulligan traction straight leg raise (TSLR), respectively. Each participant’s dominant lower extremity was assessed with a straight leg raise test (SLR) using a goniometer before and after the intervention. Results: There was a significant difference in the SLR range of motion before and after the intervention in all groups. There was no difference in the range of SLR between the groups at the beginning and at the end. However, the increase in the SLR range of motion was significantly higher in the Mulligan TSLR group. Conclusions: It was concluded that all 3 stretching techniques are effective in increasing hamstring flexibility in football players. However, the Mulligan TSLR technique could provide a greater increase in the range of motion than other techniques.
腿筋损伤在体力活动人群和运动员中很常见。腘绳肌缺乏柔韧性是运动员腘绳肌损伤最重要的特征之一。本研究的目的是探讨三种不同的拉伸技术对职业足球运动员腿筋柔韧性的影响。材料与方法:选取55名年龄在18-20岁的男性足球运动员为研究对象。将受试者分为静态拉伸组、神经动员组和Mulligan牵引直腿抬高组(TSLR)。在干预前后使用角计对每位参与者的主下肢进行直腿抬高试验(SLR)评估。结果:各组患者单反活动范围干预前后均有显著差异。试验开始和结束时各组单反范围无显著差异。然而,在Mulligan TSLR组中,单反运动范围的增加明显更高。结论:这三种拉伸技术都能有效地提高足球运动员腿筋的柔韧性。然而,Mulligan TSLR技术可以提供比其他技术更大的运动范围增加。
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引用次数: 0
Differences in ACTN3, ACE, and ADBR3 polymorphisms between Croatian National Team and non-national team elite soccer players 克罗地亚国家队和非国家队精英足球运动员ACTN3、ACE和ADBR3多态性的差异
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-06-30 DOI: 10.29359/bjhpa.15.2.06
L. Ružić, I. Radman, B. Matkovic
Introduction: This study investigated the differences in ACTN3, ACE and ADRB3 variants in top-level soccer players who entered the Croatian National Team and the ones who did not but played for two best Croatian teams. Material and Methods: The buccal swabs were collected from 56 soccer players playing for the Croatian National Team (N = 31) and/or for one of the two most prestigious Croatian soccer clubs (N = 25). Each participant’s genotype was determined by analyzing the single-nucleotide polymorphism. The ACTN3 gene (rs1815739) on chromosome 11 and the ACE (rs1799752) gene on chromosome 17 were determined. Results: No significant differences between the players who entered the national team and the ones who did not were found in ACTN3 R577X (p = 0.437) and ADRB3 (p = 0.202) polymorphism distribution, while the differences existed in ACE (p = 0.044). The significant differences were determined in the “Athletic index” between the national-team and non-national-team players (p = 0.023). Regarding the position, the “Athletic index” was significantly higher only in national team midfielders (2.50 ±1.08 points vs. 1.38 ±1.06; p = 0.034). Conclusion: It seems that the soccer players with a favorable genetic combination on the ACTN3 gene and ACE gene might have had a better chance to enter the National Team.
简介:本研究调查了进入克罗地亚国家队的顶级足球运动员和未进入克罗地亚国家队但效力于两支最好的克罗地亚球队的顶级足球运动员的ACTN3、ACE和ADRB3变异的差异。材料和方法:收集了56名克罗地亚国家队(N = 31)和/或克罗地亚两家最负盛名的足球俱乐部之一(N = 25)的足球运动员的口腔拭子。通过分析单核苷酸多态性来确定每个参与者的基因型。测定11号染色体上的ACTN3基因(rs1815739)和17号染色体上的ACE基因(rs1799752)。结果:入选国家队的运动员与未入选国家队的运动员在ACTN3 R577X (p = 0.437)和ADRB3 (p = 0.202)多态性分布上无显著差异,而在ACE (p = 0.044)多态性分布上存在差异。国家队队员与非国家队队员的“竞技指数”存在显著差异(p = 0.023)。在位置上,只有国家队中场球员的“竞技指数”(2.50±1.08)比(1.38±1.06)明显高;P = 0.034)。结论:ACTN3基因与ACE基因组合较好的足球运动员进入国家队的机会较大。
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引用次数: 0
Genetic variants and anterior cruciate ligament rupture – elastin proteins gene and fibromodulin gene polymorphisms 遗传变异和前交叉韧带断裂-弹性蛋白基因和纤维调节蛋白基因多态性
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-06-30 DOI: 10.29359/bjhpa.15.2.03
E. Lulinska, J. Żelazny, Agnieszka Lulińska, Elzbieta Grzywacz, Aleksandra Stroinska-Pluta, M. Sawczuk
Introduction: Anterior cruciate ligament (ACL) injuries are among the most common ligament injuries of the knee and often require reconstruction. The etiology of the molecular mechanisms of rupture of the anterior cruciate ligament (ACL) is poorly understood, and many external and internal factors have been associated with it, including genetics. This study aimed to investigate the association of sequence variants in the ELN and FMOD candidate genes with ACL ruptures based on the essential biological functions of these two proteoglycan-encoding genes in maintaining the structural integrity of tissues and regulating fibrillogenesis. Material and Methods: The partici-pants consisted of 229 (164 male and 65 female) individuals with a surgically diagnosed ACL rup-ture (ACLR) who qualified for ligament reconstruction and 192 (107 male and 85 female) healthy participants with no history of ACL injury (CON group). All 229 participants in the ACLR group sustained injuries through non-contact mechanisms. The chi-square tests were used for association analysis of ELN rs2071307 and FMOD rs7543148 between the anterior cruciate ligament rupture (ACLR) group and the control (CON) group. Results: It follows from the study that the tested group of athletes shows a statistically significantly more frequent AA genotype in the ELN rs2071307 gene polymorphism than the control group. However, looking at gender, one can observe that these are significantly more frequent. In the polymorphism of the FMOD rs7543148 gene, a significantly rarer TT genotype was observed in the study group compared to the control group and, similarly to the previous polymorphism, the TT genotype was significantly less frequent in the group of males com-pared to the control group. Conclusions: Genetic research in sports, especially concerning injuries connected to characteristic polymorphic variants of selected genes, is justified, particularly as regards gender-homogenous groups.
前言:前交叉韧带(ACL)损伤是膝关节最常见的韧带损伤之一,通常需要重建。前交叉韧带(ACL)断裂的分子机制的病因学尚不清楚,许多外部和内部因素与之相关,包括遗传学。本研究旨在探讨ELN和FMOD候选基因序列变异与ACL破裂的关系,基于这两个蛋白聚糖编码基因在维持组织结构完整性和调节纤维形成方面的重要生物学功能。材料和方法:参与者包括229名(164名男性和65名女性)手术诊断为ACL断裂(ACLR)并符合韧带重建条件的个体和192名(107名男性和85名女性)无ACL损伤史的健康参与者(CON组)。ACLR组所有229名参与者均通过非接触机制受伤。采用卡方检验对前交叉韧带破裂(ACLR)组与对照组(CON)的ELN rs2071307和FMOD rs7543148进行相关性分析。结果:从研究中可以看出,运动员被测组在ELN rs2071307基因多态性中AA基因型的出现频率明显高于对照组。然而,从性别上看,人们可以观察到,这种情况明显更频繁。在FMOD rs7543148基因多态性中,研究组TT基因型明显少于对照组,与之前的多态性相似,男性组TT基因型明显少于对照组。结论:体育运动中的基因研究,特别是与选定基因的特征多态性变异有关的损伤,是合理的,特别是在性别同质群体中。
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引用次数: 0
Relative age effect of female and male handball players participating in the Olympics Games Tokyo 2020 2020年东京奥运会男女手球运动员的相对年龄效应
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-06-30 DOI: 10.29359/bjhpa.15.2.07
Paweł Krawczyk, Adam Dyjas, Adam Szelag, Maciej Cedro
Introduction: The aim of this study was to determine whether the relative age effect (RAE) was present among handball players participating in the Tokyo 2020 Olympics. Materials and Methods. The study involved a group of handball players participating in the Tokyo 2020 Olympics. All data was collected from the website of the IHF. The research material consisted of data on the players’ dates of birth, which were broken down by four quarters (Q1: January 1–March 31, Q2: April 1–June 30, Q3: July 1–September 30, Q4: October 1–December 31) and two semesters (S1: January 1–June 30, S2: July 1–December 31). The following independent variables were used: game position, continent and world region. Differences between the dates of birth were determined using the chi-square test. To determine the strength of correlations, Cramér’s V was used. Results. In general terms, the main factor differentiating the RAE among handball players participating in the Tokyo 2020 Olympics was the geographical location of the country they represented (continent). There was no RAE among female handball players. Among male handball players, the RAE was differentiated by the region of the world (Europe, others). Conclusions. In order to thoroughly investigate and describe the RAE, further research and the search for factors that differentiate it should be carried out.
前言:本研究的目的是确定参加2020年东京奥运会的手球运动员是否存在相对年龄效应(RAE)。材料与方法。这项研究涉及一组参加2020年东京奥运会的手球运动员。所有数据均从国际卫生联合会网站收集。研究材料包括球员的出生日期数据,分为四个季度(第一季度:1月1日至3月31日,第二季度:4月1日至6月30日,第三季度:7月1日至9月30日,第四季度:10月1日至12月31日)和两个学期(第一学期:1月1日至6月30日,第二学期:7月1日至12月31日)。使用了以下自变量:游戏位置,大陆和世界区域。出生日期之间的差异使用卡方检验确定。为了确定相关性的强度,使用了cram s V。结果。总的来说,区分参加2020年东京奥运会的手球运动员的RAE的主要因素是他们所代表的国家(大陆)的地理位置。女子手球运动员无RAE。在男子手球运动员中,RAE随世界地区(欧洲,其他地区)而有所差异。结论。为了更深入地调查和描述RAE,应该进行进一步的研究和寻找区分它的因素。
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引用次数: 0
Action distance as a predictor of winning and losing matches at FIVB Volleyball Men’s World Championship 国际排联世界男子排球锦标赛中动作距离对胜负的预测
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-06-30 DOI: 10.29359/bjhpa.15.2.05
D. Mroczek, D. Pawlik
Introduction: Technology determines the emergence of functional tools to monitor and control motor activity during the game. One of the solutions for monitoring the player in indoor sports are computer video analyses, which determine basic kinematic parameters. The study aims to compare team and player activity with the outcome of a given set and the effect of the game status on player activity during a championship-level match. Materials and Methods: The study analysed 140 volleyball players aged 19 to 40 years (27.05 ± 4.33 years, height: 197.15 ± 9.63 cm, body mass: 88.51 ± 9.23 kg) participating in the FIVB Volleyball Men's World Championship. The observed matches were categorised by score (3:0, 3:1, 3:2 and 0:3, 1:3 and 2:3). Depending on winning or losing, each set was described as W – a winning set, P – a losing set and O – as the first set. Results: The average distance covered in all observed matches was 10.7 ± 0.09 m, while for matches completed in 3 sets, it was 10.48 ± 0.13 m. Attackers covered the longest distance in action (11.43 ± 1.68 m), while the libero covered the shortest distance from among all observed players (8.79 ± 1.91 m). The losing teams covered a significantly greater distance in action (10.87 ± 2.24 m) in action than the winning teams (10.54 ± 1.91 m). Conclusion: The results of this study allow the conclusion that teams winning sets cover a smaller average distance in action than their opponents. The highest covered distance was observed in the first set and in sets 4 and 5 when teams were losing a set after losing the previous one. The smallest distance was covered by teams that lost set 5 after winning the previous set.
技术决定了在比赛中监测和控制运动活动的功能工具的出现。在室内运动中对运动员进行监控的解决方案之一是计算机视频分析,它可以确定基本的运动学参数。本研究的目的是比较球队和球员的活动与一组给定的结果和比赛状态对球员活动在冠军级比赛中的影响。材料与方法:对参加国际排联男子排球世锦赛的140名19 ~ 40岁(27.05±4.33岁,身高:197.15±9.63 cm,体重:88.51±9.23 kg)排球运动员进行分析。观察到的比赛按比分(3:0、3:1、3:2和0:3、1:3和2:3)进行分类。根据输赢的不同,每一局用W表示胜局,P表示败局,O表示第一盘。结果:所有比赛的平均比赛距离为10.7±0.09 m, 3局比赛的平均比赛距离为10.48±0.13 m。在所有观察到的队员中,进攻队员的动作距离最长(11.43±1.68 m),自由队员的动作距离最短(8.79±1.91 m),输队的动作距离(10.87±2.24 m)明显大于赢队(10.54±1.91 m)。结论:本研究的结果表明,赢队的平均动作距离小于对手。在第一局、第四局和第五局中,当球队在输掉前一局后又输掉一局时,所覆盖的距离最高。距离最短的是赢了前一局后输掉第5局的球队。
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引用次数: 0
Characteristics of the efficiency of actions of top-level goalkeepers in soccer 足球比赛中顶级守门员动作效率的特征
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-03-01 DOI: 10.29359/bjhpa.15.1.04
A. Szwarc, Michał Chamera, H. Duda, D. Memmert, L. Radziminski
The aim of this study was to present the characteristics of the actions efficiency in elite goalkeepers. 54 observations of 25 goalkeepers participating in 27 matches of the World and the European Championships and the Africa Cup of Nations and Copa America held in the years 2014–2019 were included. The study applied a method of observation. Game data were registered on a self-developed observation sheet. Goalkeepers’ activity, effectiveness, and reliability with a view to implementing the objectives of the game were analyzed in offensive and in defense. It was found that in the elite goalkeepers’ game, offensive actions constitute 62% and defensive 38% of all actions taken in matches. Actions aimed at positioning the game and at preventing a loss of a goal (60% and 22% respectively) dominated. In offensive goalkeepers showed the highest reliability in positioning the game by passing the ball with the foot, while in defense in preventing the loss of a goal by catching the ball. The created models mapping the top-skilled goalkeepers’ actions allow improving the process of coaching by referring their game to objective patterns.
本研究旨在探讨优秀守门员动作效率的特征。本文对2014-2019年世界杯、欧洲杯、非洲国家杯和美洲杯27场比赛的25名守门员进行了54次观察。这项研究采用了观察法。游戏数据记录在自行开发的观察表上。从进攻和防守两方面分析了守门员在实现比赛目标方面的活动性、有效性和可靠性。研究发现,在精英守门员的比赛中,进攻动作占比赛全部动作的62%,防守动作占38%。定位比赛和防止失球的行动(分别占60%和22%)占主导地位。在进攻中,守门员在用脚传球来定位比赛位置方面表现出最高的可靠性,而在防守中,守门员在通过接球来防止失球方面表现出最高的可靠性。所创建的模型映射了顶级门将的动作,通过将他们的比赛与客观模式联系起来,可以改进教练的过程。
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引用次数: 0
Force–velocity profiles in CrossFit athletes: A cross-sectional study considering sex, age, and training frequency 混合健身运动员的力-速度分布:一项考虑性别、年龄和训练频率的横断面研究
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-03-01 DOI: 10.29359/bjhpa.15.1.05
J. Párraga-Montilla, J. C. Cabrera Linares, Pedro Jiménez Reyes, Manuel MOYANO LÓPEZ, Victor Serrano Huete, José A. MORCILLO LOSA, P. L. Latorre Román
Introduction: The force–velocity profile has been analysed previously in different sports modalities; nevertheless, it has not been analysed in CrossFit. Objective: The aim of this study was to report neuromuscular characteristics of CrossFit athletes using their individual force-velocity profile, investigating differences according to sex, age, and training frequency. Materials and Methods: 72 males (33.17 ± 6.86 years; BMI: 25.93 ± 3.64 kg/m2) and 18 females (30.11 ± 6.92 years; BMI: 23.53 ± 3.98 kg/m2) participated in this study. The force-velocity profile was calculated using Samozino’s method. Furthermore, neuromuscular characterization was completed with a squat jump and three drop jumps (20, 30, and 40 cm). Results: Regarding sex, significant differences in all analysed mechanical variables (p < 0.001) were found except for the theoretical maximal force (p = 0.944). No significant differences were found between age groups. Considering training frequency, athletes who train more than 5 days per week showed higher performance in all analysed mechanical variables (p < 0.05). Conclusion: CrossFit athletes have a force-velocity profile more oriented towards velocity than force. Males and females have different neuromuscular characteristics, also neuromuscular improvements can be achieved at any age. Moreover, higher neuromuscular performance is developed with a training frequency of 5 days or more per week.
先前在不同的运动模式中分析了力-速度剖面;然而,它还没有在CrossFit中进行分析。目的:本研究的目的是报告混合健身运动员的神经肌肉特征,使用他们的个人力-速度剖面,调查性别,年龄和训练频率的差异。材料与方法:男性72例(33.17±6.86岁);BMI: 25.93±3.64 kg/m2),女性18例(30.11±6.92岁;BMI: 23.53±3.98 kg/m2)参加了本次研究。采用Samozino法计算力-速度剖面。此外,神经肌肉特征通过蹲跳和三次落跳(20、30和40厘米)完成。结果:在性别方面,除理论最大力(p = 0.944)外,所有分析的力学变量均存在显著差异(p < 0.001)。各年龄组间无显著差异。考虑到训练频率,每周训练超过5天的运动员在所有分析的力学变量中表现更高(p < 0.05)。结论:混合健身运动员的力-速度剖面更倾向于速度而不是力。男性和女性有不同的神经肌肉特征,而且神经肌肉的改善可以在任何年龄实现。此外,每周5天或更多的训练频率可以提高神经肌肉的表现。
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引用次数: 0
Physical activity among adults with psychiatric illness in Karachi, Pakistan: A survey based research 在巴基斯坦卡拉奇,患有精神疾病的成年人的身体活动:一项基于调查的研究
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-03-01 DOI: 10.29359/bjhpa.15.1.06
Aneeta Jevtani, Erum Perveen, Mustafa Uroosa, Nazia Zeya, Farkhanda Emad, Fareeha Kanwal, M. Azhaar, Faisal Yamin
Introduction: In Pakistan, psychological wellbeing is still considered a stigma and has limited resources to provide maximum care. Individuals with mental illness struggle with maintaining their sedentary behaviors and have poor wellbeing. The aim of the study is to investigate the physical activity among individuals with a psychiatric illness. Materials and Methods: A sample data of 144 outpatients, diagnosed with a psychiatric illness were collected from the Outpatient Department (OPD) of a public sector psychiatric set-up in Karachi, Pakistan. The participants were assessed with the International Physical Activity Questionnaire (IPAQ). Results: Females with a psychiatric illness were found to be more physically active as compared to males with a psy-chiatric illness (p <.01). Females were reported to have significant results (p <.01) in the domain of housework, while males reported having significant high scores (p <.05) in the domain of trans-portation-related physical activity. The moderate intensity of physical activity was found signif-icant among females (p <.01) with a psychiatric illness, while walking intensity of physical activity was found significant among males with a psychiatric illness (p <.05). Conclusion: Gender was found to be a predicting factor for physical activity. There was an additional finding that married individuals were physically more active than single individuals (p <.05). Further studies are recommended to investigate barriers related to variables to facilitate healthy living.
在巴基斯坦,心理健康仍然被认为是一种耻辱,而且提供最大限度护理的资源有限。患有精神疾病的人很难保持久坐不动的习惯,他们的幸福感也很差。本研究的目的是调查精神疾病患者的身体活动情况。材料和方法:从巴基斯坦卡拉奇一家公共精神科机构门诊部(OPD)收集144名诊断为精神疾病的门诊患者样本数据。采用国际体育活动问卷(IPAQ)对参与者进行评估。结果:与患有精神疾病的男性相比,患有精神疾病的女性身体活动更多(p < 0.01)。据报道,女性在家务方面取得了显著成绩(p < 0.01),而男性在交通相关的体力活动方面取得了显著高分(p < 0.05)。女性精神疾病患者的体力活动强度为中等(p < 0.01),男性精神疾病患者的体力活动强度为步行(p < 0.05)。结论:性别是体育锻炼的预测因素。另一个发现是,已婚人士比单身人士更活跃(p < 0.05)。建议进一步研究与变量相关的障碍,以促进健康生活。
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引用次数: 0
Adaptation of the Love–Hate Scale for Sports Fans into Turkish: A validity and reliability study 体育迷爱恨量表在土耳其语中的改编:效度与信度研究
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-03-01 DOI: 10.29359/bjhpa.15.1.07
Sercan Kural, O. Ozbek, Bulent Gurbuz
Introduction: This research has been conducted so it can help to understand the feelings of love and hatred towards the opposing team and their supporters of football club fans and to determine and control the fans’ aggression. Objective: This study aims to adapt the Love–Hate Scale for Sports Fans (LHSSF) to the Turkish context to evaluate the fanatic (love and hate) feelings of football fans. Methods: The study groups consisted of 205 football fans aged 18–58 years (mean age = 30.11). The original version of the scale consists of seven items and two sub-dimensions. To test the construct validity of the scale, exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were conducted, and internal consistency coefficients for the reliability of the scale were calculated. Results: According to the EFA result, the scale consisted of two sub-dimensions. In addition, the Confirmatory Factor Analysis was tested. In the performed analyses, the χ2/df, GFI, AGFI, CFI, IFI, SRMR and RMSEA goodness-of-fit indices were examined. The obtained values indicate that the fit indices are at a good fit level. Conclusions: The study reached significant findings indicating that the LHSSF adapted to the Turkish culture for Sports Fans can be used as a valid and reliable measurement tool in measuring love and hate levels among fans.
引言:这项研究的进行是为了帮助了解足球俱乐部球迷对对方球队及其支持者的爱恨情仇,并确定和控制球迷的攻击性。目的:本研究旨在将体育迷爱恨量表(LHSSF)应用于土耳其情境,以评估球迷的狂热(爱恨)情绪。方法:研究对象为205名年龄在18-58岁之间的球迷(平均年龄30.11岁)。原始版本的量表包括七个项目和两个子维度。为检验量表的构念效度,分别进行探索性因子分析(EFA)和验证性因子分析(CFA),并计算量表信度的内部一致性系数。结果:根据EFA结果,量表由两个子维度组成。此外,验证性因子分析进行了检验。在已完成的分析中,对χ2/df、GFI、AGFI、CFI、IFI、SRMR和RMSEA拟合优度指数进行了检验。所得数值表明,拟合指标处于较好的拟合水平。结论:本研究取得了显著的发现,表明适合土耳其体育迷文化的LHSSF可以作为测量球迷爱恨水平的有效可靠的测量工具。
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引用次数: 0
Analysis of the adductors and abductors' maximum isometric strength on the level of speed and agility in basketball players 篮球运动员内收肌和外展肌最大等长力量对速度和敏捷水平的影响分析
IF 0.8 Q4 SPORT SCIENCES Pub Date : 2023-03-01 DOI: 10.29359/bjhpa.15.1.03
Paulina Krolikowska, Piotr Rodak, Monika Papla, Wojciech Grzyb, A. Gołaś
Introduction: his study investigated the relationship between hip abductor strength (Abd), adductor strength (Add), straight accelerations and decelerations, and during changes of direction (COD 90°) performance in basketball players. Material and Methods: Fourteen basketball players participated (age = 23.6 ± 4.4 years, body mass = 86.3 ± 5.9 kg, body height = 192.3 ± 6.2 cm, training experience = 6.7 ± 2.6 years). Straight running results and running with a change of direction (COD 90°) have been described as the time (s) obtained for a given length. Following tests were carried out: maximum isometric strength test, 20-m linear sprint and 20-m COD sprint with 90° direction change angles. Following the warm-up, all athletes performed two maximal 20-m linear sprints, interspersed with 5 min rest intervals. Following the 20-m linear sprint test, the participants were provided with a 5 min rest interval before completing the COD tests. Additionally, the balance in isometric strength of the dominant and non-dominant hip Abd-Add muscles were evaluated. Two maximum attempts interspersed with one-minute rest intervals were performed. Results: The t-test revealed statistically significant higher absolute and relative isometric strength of AddR (adductor right) in comparison to AddL (adductor left). Conclusion: The results of this study show that the maximum isometric force and the relative strength of the abductor muscle group have a significant effect on changing direction running. Moreover, hip Abd and Add are typical for strength bilateral strength imbalances. Therefore, the evaluation and development of these qualities are essential for coaches to monitor and prescribe adequate training regimens.
简介:他的研究调查了篮球运动员髋外展肌力量(Abd)、内收肌力量(Add)、直线加速和减速以及方向变化(COD 90°)表现之间的关系。材料与方法:14名篮球运动员(年龄= 23.6±4.4岁,体重= 86.3±5.9 kg,身高= 192.3±6.2 cm,训练经验= 6.7±2.6年)。直线运行结果和方向变化运行(COD 90°)描述为给定长度所获得的时间(s)。进行了如下试验:最大等距强度试验,20 m直线冲刺和20 m COD冲刺,方向变化角为90°。热身后,所有运动员进行两次最大20米直线冲刺,中间间隔5分钟休息。在20米直线冲刺测试后,参与者在完成COD测试前有5分钟的休息时间。此外,还评估了优势和非优势髋关节Abd-Add肌肉的等长强度平衡。进行了两次最大尝试,中间间隔一分钟的休息时间。结果:t检验显示AddR(右内收肌)的绝对强度和相对等距强度比AddL(左内收肌)有统计学意义。结论:本研究结果表明,最大等距力和外展肌群的相对力量对改变方向跑步有显著影响。此外,髋关节Abd和Add是典型的双侧力量失衡。因此,这些素质的评价和发展对教练员监督和制定适当的训练方案至关重要。
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引用次数: 0
期刊
Baltic Journal of Health and Physical Activity
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