scholarly journals The relationship between scapular endurance and core endurance in elite amputee football players

2021 ◽  
Vol 13 (1) ◽  
pp. 1-8
Author(s):  
GURKAN GUNAYDIN
Keyword(s):  
Training Programs ◽  
Positive Association ◽  
Soccer Players ◽  
Football Players ◽  
Body Structure ◽  
Kinetic Chain ◽  
Thoracolumbar Fascia ◽  
Football Team ◽  
Muscle Groups ◽  
The Relationship

Background: Body structure constitutes a kinetic chain with thoracolumbar fascia and this chain may induce a relationship between scapular and spinal stabilizers. Amputee soccer players use crutches during the game and, considering that the crutch use may also activate different muscle groups, the possibility of the relationship between scapular and spinal stabilizers becomes important for organizing training programs. The aim of this study is to determine the relationship between scapular endurance and core endurance in elite amputee players. Material and methods: Fifteen male amputee national football team players took part in the study. The players’ scapular endurance was evaluated by a dynamometer, and the modified side bridge test was used to evaluate core endurance. Results: The relationship between scapular and core endurance was investigated via the Linear Regression Model. The analysis revealed a positive association between scapular endurance and core endurance (B: 0.501, β: 0.561, p: 0.029). Conclusions: This study shows the relationship between scapular and core endurance in amputee football players. Given the assumptions about scapular and core endurance weakness, including scapular muscle exercises along with core exercises in the training programs might be useful for improving performance.

scholarly journals Assessing Inter-Limb Asymmetries in Soccer Players: Magnitude, Direction and Association with Performance

2021 ◽  
Vol 79 (1) ◽  
pp. 41-53
Author(s):  
Marc Madruga-Parera ◽  
Thomas Dos’Santos ◽  
Chris Bishop ◽  
Anthony Turner ◽  
David Blanco ◽  
...  
Keyword(s):  
Body Height ◽  
Ankle Dorsiflexion ◽  
Soccer Players ◽  
Kinetic Chain ◽  
Leg Extension ◽  
Change Of Direction ◽  
Test Specificity ◽  
Limb Asymmetry ◽  
The Relationship ◽  
Skill Change

Abstract In this study, we aimed to analyze the magnitude and direction of inter-limb asymmetries in ankle dorsiflexion range of motion (ROM), power (using iso-inertial devices), and a neuromuscular skill (change of direction). Secondarily, we aimed to determine the relationship between inter-limb asymmetry scores for each test and also between these scores and the scores for the different performance tests. Sixteen semiprofessional male soccer players (age: 25.38 ± 6.08 years; body height: 1.78 ± 0.64 m; body mass: 79.5 ± 14.9 kg) participated in this study. We calculated inter-limb asymmetries using five tests: ankle dorsiflexion ROM, change of direction (COD 180º), and iso-inertial resistance tasks in the open (leg extension strength (LE), leg curl strength (LC)) and closed (crossover step (CRO)) kinetic chain. Our results showed that asymmetry magnitudes differed between all tests with highest inter-limb asymmetries displayed during iso-inertial overloading. In addition, we observed that the direction of asymmetries varied depending on the test-specificity, and that the CRO asymmetries had a negative association with LE and CRO performance. These findings highlight the independent nature of asymmetries and that CRO could be an appropriate test to detect asymmetries related with the performance of soccer-specific actions (such as changes of direction). Practitioners are encouraged to use multiple tests to detect existing inter-limb differences according to the specific characteristics of each sport.

Relationship between physical performance and match load and effects of two consecutive matches in cerebral palsy footballers (Relación entre el rendimiento físico y la carga de trabajo en partido y efecto de dos partidos consecutivos en futbolistas con p

Retos ◽  
2021 ◽  
Vol 41 ◽  
pp. 728-734
Author(s):  
Ivan Peña Gónzalez ◽  
Jose Manuel Sarabia ◽  
David Mancha-Triguero ◽  
Manuel Moya-Ramón ◽  
José Martín Gamonales
Keyword(s):  
Heart Rate ◽  
Cerebral Palsy ◽  
Physical Performance ◽  
Football Players ◽  
Football Team ◽  
The Relationship ◽  
The Way

  The aims of the present study were to analyse the relationship between the physical performance and the match load in cerebral palsy (CP) football players, and to analyse the possible impact of the Spanish League format (playing two matches on two consecutive days) on the players’ match load. Data for a Spanish CP football team (n=10; age: 31.0 ± 8.9 years; weight: 66.1 ± 8.6 kg; height: 172.2 ± 7.8 cm; BMI: 22.5 ± 2.9 kg·m-2) included anthropometric (weight, height and BMI), physical performance (CMJ, 5, 10 y 20-m sprint y MAT) and match load variables (distance covered, accelerations and decelerations, heart rate, speed and player load) from two official matches. The players’ physical performance, but not their anthropometrical measurements, correlated to the match load variables (r = 0.76–0.95; p = 0.04–0.01), except for accelerations, decelerations and heart rate-related variables (p > .05). Players’ match load data were not statistically different between matches. The results suggest that players’ physical performance influences the match load variables, and these players’ load variables in competition do not seem to be affected by the fact of playing two matches on two consecutive days. The way in which the players’ physical performance and fatigue may affect the match load variables needs more research in CP football.  Resumen. Los objetivos de este estudio fueron analizar la relación entre el rendimiento físico y la carga de partido en jugadores de fútbol con parálisis cerebral (PC), y analizar la posible influencia del formato de la Liga Española (en la que se juegan dos partidos en días consecutivos) en la carga de partido. Los datos obtenidos de un equipo español de fútbol PC (n=10; edad: 31.0 ± 8.9 años; peso: 66.1 ± 8.6 kg; altura: 172.2 ± 7.8 cm; IMC: 22.5 ± 2.9 kg·m-2) incluyó variables antropométricas (peso, altura e IMC), de rendimiento físico (CMJ, 5, 10 y 20-m sprint y MAT) y variables de carga de partido (distancia recorrida, aceleraciones y deceleraciones, frecuencia cardiaca, velocidad y carga del jugador) en dos partidos oficiales. El rendimiento físico de los jugadores, pero no las variables antropométricas correlacionaron con la carga de partido (r = 0.76–0.95; p = 0.04–0.01), excepto para las aceleraciones, deceleraciones y variables relacionadas con la frecuencia cardiaca (p > .05). Los datos acerca de la carga de partido no fueron significativamente distintos entre partidos. Los resultados sugieren que el rendimiento físico de los jugadores de fútbol PC influyen en la carga en competición y esas variables de carga de partido no parecen estar afectadas por el hecho de jugar dos partidos en días consecutivos. La manera en la que el rendimiento físico de los jugadores y la fatiga puede afectar en la carga de partido necesita mayor investigación en fútbol PC.

scholarly journals Relationship between reaction time agility and linear speed of amateur male soccer players

2020 ◽  
Vol 9 (2) ◽  
pp. 9-15
Author(s):  
Süleyman SAHIN ◽  
Yahya Yildirim ◽  
Duygu YILDIRIM
Keyword(s):  
Reaction Time ◽  
Pearson Correlation ◽  
Soccer Players ◽  
Football Players ◽  
Average Height ◽  
Linear Speed ◽  
Time Test ◽  
Pearson Correlation Analysis ◽  
The Relationship ◽  
Reaction Time Test

This study aims to investigate the relationship between linear speed, agility and reaction time in amateur football players. Totally 15 male amateur soccer players with an average age of 20.00 ± 1.309 (years), average height 1.78 ± 0.058 (m), bodyweight average 70.05 ± 6.300 (kg) and body mass index average 22.18 ± 1.525 (kg / m2) voluntarily participated in the research. All participants completed a test battery involving linear sprinting (10, 20, 30 m), agility test (T test) and reaction time test. Fitlight TrainerTM device was used in all experiments. Pearson correlation analysis was performed to determine the relationship between linear speed, agility and reaction time. As a result of the investigation, statistically significant positive relationships were found between the reaction time and 10 m and 20 m linear speed, between agility and 20 m and 30 m linear speed, between 10 m and 20 m linear speed and between 20 m and 30 m linear speed ( p <0.05). As a result, according to this study, it can be said that features such as linear speed, agility and reaction time are related to each other in amateur soccer players.

scholarly journals Mandatory lockdown impairs performance in professional soccer players.

2022 ◽  
Vol 18 (67) ◽  
pp. 28-42
Author(s):  
Iván Peña-González ◽  
Alejandro Javaloyes ◽  
Fidel Agulló ◽  
Manuel Sempere ◽  
Aitor Soler ◽  
...  
Keyword(s):  
Training Programs ◽  
High Variability ◽  
Physical Workload ◽  
Soccer Players ◽  
Football Players ◽  
Professional Football ◽  
Professional Soccer ◽  
Sport Competition ◽  
Individual Self ◽  
The Impact

COVID-19 caused a total halt in sport competition during 2020. The purpose of this study was to analyze the changes between pre- and post-lockdown competitive periods in the players’ workload variables in competition. Seventeen professional football players were monitored using a WIMU PRO® inertial device throughout the 2019-20 season. Anthropometric and physical fitness were assessed with the aim to relate possible associations between these characteristics and the workload changes in the pre- and post-lockdown periods. During the lockdown, players carried out an 8-week guided self-training. There was a general decrement in the players’ physical workload demands in competition, and the parameters related to high-intensity actions as accelerations and decelerations (-8.96% [ES: 0.64] and -11.04% [ES: 0.77] respectively; p < .05), Ind HSR (-35.57% [ES: 0.92]; p = .002), HMLD (-8.58% [ES: 0.66]; p = .016), PLOAD (-7.03% [ES: 0.54]; p = .047) and Vmax (-3.80% [ES: 0.65]; p = .016) can be highlighted. The results showed high negative correlations between match workload variables prior to the lockdown and the percentage of change in these variables after the lockdown period. Individual percentages of change showed high variability in players’ changes. Individual self-training programs should be reviewed to minimize the impact of a “detraining” period in players’ physical performance during possible new lockdown periods.

Relationship between lower limb asymmetries, impulsion and balance in senior football players

2020 ◽  
Vol 30 (Supplement_2) ◽  
Author(s):  
J Domingues ◽  
M Castro
Keyword(s):  
Lower Limb ◽  
Lower Limbs ◽  
Soccer Players ◽  
Football Players ◽  
Maximum Torque ◽  
Balance Test ◽  
Risk Of Injury ◽  
Lower Limb Strength ◽  
Balance Deficits ◽  
The Relationship

Abstract Introduction Football is the most popular sport in the world and there are over 38 million players practicing it worldwide. In this sport, players usually have a prefered lower limb over other. This preference can lead to bilateral asymmetries and improve the risk of injury in the players. It is important to understand if asymmetries have an influence on athletes’ performance, on balance or impulsion. Objectives The main objective of this study is to evaluate the bilateral and unilateral asymmetries related to the lower limb muscle strength of individuals who practice senior football, and relate them to eventual impulse and balance deficits. Methodology 11 soccer players (age 21.91 ± 3.14 years; weight: 73.45 ± 7.59 Kg; height: 178.91 ± 8.02; BMI: 22.97 ± 2,12) were evaluated. The protocol defined in this study consisted of collecting data on maximum concentric torque at 60o/s, 180o/s and 300o/s in Biodex System 3. Both lower limbs were tested. Then the Y-balance test was performed on a force platform and the athletes’ flight time were recorded. We also calculated the bilateral deficit between the dominant lower limb and the non-dominant lower limb for the quadriceps and hamstrings and the hamstring/quadriceps (H/Q) ratio for each lower limb Results There were no statistically significant differences between the maximum torque produced by the dominant lower limb and the maximum force torque produced by the dominant lower limb (p &lt; 0.05). The conventional I / Q ratio has values similar to those described in the literature. The relationship between bilateral asymmetry of lower limb strength, balance and impulsion was not statistically significant (p &gt; 0.05) at any angular velocity. Conclusion There are no statistically significant differences between bilateral and unilateral asymmetries of lower limb strength, balance and impulsion.

scholarly journals Training as Mediating in the Relationship Between Organization Reward and Employee Motivation

2021 ◽  
Vol 5 (2) ◽  
pp. 25-35
Author(s):  
Muhammad Asif Khan ◽  
Asima Siddique ◽  
Zahid Sarwar
Keyword(s):  
Training Programs ◽  
Positive Association ◽  
Employee Motivation ◽  
Mediating Effect ◽  
Survey Method ◽  
Mediating Role ◽  
Organizational Rewards ◽  
The Relationship ◽  
And Training

Training and organization rewards plays important role in the development and motivation of the employees. And organization gives more attention to reward and training programs to motivate their employees. The purpose of this paper is to examine the relationship in between rewards and employees motivation. In addition the paper also aims to measure the mediating role of training.Employee’sidea and perception about organizational rewards and its impact on employee’s motivation have been evaluated empirically with the sample of 173 employees in district account offices. The data have been collected from the employees using survey method. SPSS have beenused to analyze the data the results show the mediating effect of training on the relationship between organization rewards and employee’s motivation. The results show that both training and organizational rewards have positive association with employee’s motivation.The study will help the administration of district account offices to develop policy that will cope with the challenges and difficulties in training and rewards management. And it will help in employee’s motivation.

Product Brand Loyalty and Purchase Decision

2020 ◽  
Vol 3 (3) ◽  
pp. 76-87
Author(s):  
Muhammad Naeem ◽  
Abdul Sami
Keyword(s):  
Brand Loyalty ◽  
Quantitative Research ◽  
Research Study ◽  
Positive Association ◽  
Perceived Quality ◽  
Purchase Decision ◽  
Cross Sectional ◽  
Business World ◽  
Multiple Variables ◽  
The Relationship

The present study was an examination of the relationship between product brand loyalty and purchase decision of automotive customers. The study focused on comparative analysis of two famous brands of automobile i-e Honda City and Toyota Corolla Xli and the various effects of product brand loyalty on purchase decision of automotive customers. A cross sectional quantitative research design was employed in the research study. In today’s competitive business world, now most of the marketers and manufacturers of various brands have encountered with multiple variables through which they can not only influence the purchase decision of their customers but also secure their buying preferences. The variables that are used and relevant to this study are product brand loyalty, perceived quality, price, and purchase decision. During examination of the relationship between these variables, study investigated that there is a positive association between product brand loyalty, product perceived quality, price and purchase decision.

Audit Senior Modeling Fallibility: The Effects of Reduced Error Strain and Enhanced Error-Related Self-Efficacy on Audit Juniors' Responses to Self-Discovered Errors

2019 ◽  
Vol 31 (2) ◽  
pp. 17-30 ◽  
Author(s):  
Craig Emby ◽  
Bin Zhao ◽  
Jost Sieweke
Keyword(s):  
Survey Data ◽  
Self Efficacy ◽  
Direct Relationship ◽  
Positive Association ◽  
Accounting Firms ◽  
Big 4 ◽  
The Relationship ◽  
Practical Implications

ABSTRACT This paper examines the relationship between audit seniors discussing their own experiences with committing and correcting errors (modeling fallibility), and audit juniors' thinking about errors and error communication (openly discussing their own self-discovered errors). The paper investigates the direct relationship between senior modeling fallibility and juniors' responses, and whether the relationship is mediated through error strain and error-related self-efficacy. Survey data from 266 audit juniors from two Big 4 Canadian accounting firms showed a direct positive association between audit senior modeling fallibility and audit juniors' thinking about errors, and error communication. This relationship is positively mediated through error-related self-efficacy. We also found that the relationship is mediated by error strain. However, although audit senior modeling fallibility was associated with reduced error strain, error strain was positively related to both thinking about errors and error communication, contrary to our hypothesis. The paper discusses the theoretical and practical implications of these results.

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