scholarly journals The relationship between sprint performance and both lower and upper extremity explosive strength in young soccer players

2021 ◽  
Vol 25 (1) ◽  
pp. 10-14
Author(s):  
Gürken Diker ◽  
Sürhat Müniroğlu ◽  
Sadi Ön ◽  
Hüseyin Özkamçı ◽  
Abdulkerim Darendeli
Keyword(s):  
Upper Extremity ◽  
Team Sports ◽  
Strong Relationship ◽  
Sprint Performance ◽  
Soccer Players ◽  
Training Experience ◽  
Jump Performance ◽  
Explosive Strength ◽  
Study Results ◽  
The Relationship

Background and Study Aim. Sprint performance plays a major role in success of field-based team sports such as soccer. The aim of this study was to evaluate the relationship between sprinting performance and both lower and upper extremity explosive strength in young soccer players. Material and Methods. One hundred forty-seven soccer players (mean±SD; age 11.6±1.66 years, height 143.2±11.8 cm, body mass 37.1±10.2 kg and training experience 1.11±1.5 years) voluntarily participated in this study. The sprinting performance of each player was determined using their 5, 10, 20 and 30m single sprint times. The lower and upper extremity explosive strength were evaluated by standing long jump and medicine ball throwing tests respectively. Prior to the study, each of the players was given detailed information about the risks and injuries they could encounter during the study, and parental consent was obtained by their signatures on informed voluntary consent forms since the subjects were under the age of 18. Permission to conduct the study was obtained from Ankara University Medical Faculty’s Surgical and Medical Research Ethics Committee. Results. The results indicated a strong relationship between sprinting performance and horizontal jump performance (r=-.671 ̶ -.764; p=0.001) and also a large relationship between sprinting performance and upper extremity strength (r=-.633  ̶  -.703; p=0.001). The sprint performance (n=147) also significantly correlated with body weight (r=-.345  ̶  -.373; p=0.001) and height (r=-.445  ̶  -.505; p=0.001). Conclusions. The study results suggest that upper extremity strength is as important as the lower extremity strength for sprinting performance and that trainers should emphasize lower and upper extremity strength in training intended to improve sprinting performance.

scholarly journals Effects of Short-Term Plyometric Training on Agility, Jump and Repeated Sprint Performance in Female Soccer Players

2021 ◽  
Vol 18 (5) ◽  
pp. 2274
Author(s):  
Marcin Maciejczyk ◽  
Renata Błyszczuk ◽  
Aleksander Drwal ◽  
Beata Nowak ◽  
Marek Strzała
Keyword(s):  
Physical Performance ◽  
Sprint Performance ◽  
Soccer Players ◽  
Plyometric Training ◽  
Countermovement Jump ◽  
Short Term ◽  
Jump Performance ◽  
Squat Jump ◽  
Repeated Sprint ◽  
Before And After

The aim of the study was to determine the effects of short-term (4 weeks, twice a week: 8 sessions) plyometric training on agility, jump, and repeated sprint performance in female soccer players. The study comprised 17 females performing this sports discipline. The players were randomly divided into two groups: with plyometric training (PLY) and the control (CON). All players followed the same training program, but the PLY group also performed plyometric exercises. Tests used to evaluate physical performance were carried out immediately before and after PLY. After implementing the short PLY training, significant improvement in jump performance (squat jump: p = 0.04, ES = 0.48, countermovement jump: p = 0.009, ES = 0.42) and agility (p = 0.003, ES = 0.7) was noted in the PLY group. In the CON group, no significant (p > 0.05) changes in physical performance were observed. In contrast, PLY did not improve repeated sprint performance (p > 0.05) among female soccer players. In our research, it was shown that PLY can also be effective when performed for only 4 weeks instead of the 6–12 weeks typically applied.

scholarly journals Relationship between External and Internal Workloads in Elite Soccer Players: Comparison between Rate of Perceived Exertion and Training Load

2019 ◽  
Vol 9 (23) ◽  
pp. 5174
Author(s):  
Alessio Rossi ◽  
Enrico Perri ◽  
Luca Pappalardo ◽  
Paolo Cintia ◽  
F. Iaia
Keyword(s):  
Perceived Exertion ◽  
Selection Process ◽  
Team Sports ◽  
Training Load ◽  
Soccer Players ◽  
Gps Tracking ◽  
Individual Response ◽  
Rate Of Perceived Exertion ◽  
The Relationship ◽  
And Training

The use of machine learning (ML) in soccer allows for the management of a large amount of data deriving from the monitoring of sessions and matches. Although the rate of perceived exertion (RPE), training load (S-RPE), and global position system (GPS) are standard methodologies used in team sports to assess the internal and external workload; how the external workload affects RPE and S-RPE remains still unclear. This study explores the relationship between both RPE and S-RPE and the training workload through ML. Data were recorded from 22 elite soccer players, in 160 training sessions and 35 matches during the 2015/2016 season, by using GPS tracking technology. A feature selection process was applied to understand which workload features influence RPE and S-RPE the most. Our results show that the training workloads performed in the previous week have a strong effect on perceived exertion and training load. On the other hand, the analysis of our predictions shows higher accuracy for medium RPE and S-RPE values compared with the extremes. These results provide further evidence of the usefulness of ML as a support to athletic trainers and coaches in understanding the relationship between training load and individual-response in team sports.

scholarly journals The Relationship Between Body Composition, Anaerobic Performance and Sprint Ability of Amputee Soccer Players

2012 ◽  
Vol 35 (1) ◽  
pp. 141-146 ◽  
Author(s):  
Ali Özkan ◽  
Gürhan Kayıhan ◽  
Yusuf Köklü ◽  
Nevin Ergun ◽  
Mitat Koz ◽  
...  
Keyword(s):  
Body Composition ◽  
Sprint Performance ◽  
The Other ◽  
Soccer Players ◽  
Anaerobic Performance ◽  
Fat Percentage ◽  
Squat Jump ◽  
Counter Movement Jump ◽  
The Relationship

The purpose of the present study was to investigate the relationship between body composition, anaerobic performance and sprint performance of amputee soccer players. Fifteen amputee soccer players participated in this study voluntarily. Subjects’ height, body weight, body mass index, body fat percentage (Jackson and Pollock formula) and somatotype characteristics (Heath-Carter system) were determined. The sprint performance at 10m, 20m and 30m was evaluated, whereas the counter movement jump (CMJ), relative CMJ (RCMJ), squat jump (SJ) and relative SJ (RSJ) tests were used for the determination of anaerobic performance. The results of the Pearson Product Moment correlation analysis indicated that body composition was significantly correlated with CMJ and SJ (p < 0.01), on the other hand, no measure of body composition was significantly related to the other component (p > 0.05). A significant correlation was found between CMJ, RCMJ, SJ, 10 m, 20 m and 30 m sprint performance (p < 0.05); whereas, in contrast, no measure of body composition was significantly related to the 10 m, 20 m and 30 m sprint performance (p > 0.05). In conclusion, the findings of the present study indicated that sprint performance was described as an essential factor in anaerobic performance whereas body composition and somatotype play a determinant role in anaerobic and sprint performance in amputee soccer players.

The Relationship Between Kinematic Determinants of Jump and Sprint Performance in Division I Women Soccer Players

2010 ◽  
Vol 24 (12) ◽  
pp. 3200-3208 ◽  
Author(s):  
Kevin W McCurdy ◽  
John L Walker ◽  
George A Langford ◽  
Matt R Kutz ◽  
James M Guerrero ◽  
...  
Keyword(s):  
Sprint Performance ◽  
Division I ◽  
Soccer Players ◽  
The Relationship

scholarly journals The Perceived Significance of Spirituality on Sri Lankan National Team Players’ Performance

2019 ◽  
pp. 1501-1506
Author(s):  
Perera H. P. N. ◽  
Jusoh M. ◽  
Azam S. M. F. ◽  
Sudasinghe S. R. S. N.
Keyword(s):  
Team Sports ◽  
Sampling Technique ◽  
Sri Lankan ◽  
National Team ◽  
Perceived Performance ◽  
Study Results ◽  
Objective Performance ◽  
Study Population ◽  
And Performance ◽  
The Relationship

The purpose of the present study was to analyze the relationship between spirituality and perceived performance in team sports players. A standard spirituality questionnaire was used to assess the exogenous variable. The endogenous variable of the study was perceived performance and was measured through a questionnaire of a likert scale which was adopted from literature. Subjective performances of the players were derived opposed to objective performance. Data had been collected from Sri Lankan national team players who are engaged in team sports of football, basketball, Elle, volleyball, Hockey, Kabaddi, Netball, Rugby and Throw ball. The study population was 308 national team players and the universal sampling technique was used. The study results reveal that there is a positive relationship between spirituality and performance of the players.

scholarly journals Relationships between Horizontal Drop Jump Test and Sprint Performance

2021 ◽  
Vol 6 (1) ◽  
pp. 352-358
Author(s):  
Ahmed Attia ◽  
◽  
Zied Nèji ◽  
Néjiba Farhat ◽  
Aymen Khemiri ◽  
...  
Keyword(s):  
Sprint Performance ◽  
Soccer Players ◽  
Regression Equations ◽  
Jump Performance ◽  
Sprint Speed ◽  
Jump Test ◽  
Standing Long Jump ◽  
Hop Test ◽  
Long Jump ◽  
Linear Regressions

Researchers and trainers are continually looking for determinants of soccer talent in the youngest and in the relationship between individual motor features relevant to this kind of sport. There is a fundamental consensus in the opinion that sprinting and jumping share a number of similar characteristics in soccer players. To the authors’ knowledge, the majority of the studies has been conducted in adult and young athletes and there has yet to be an analysis with prepubescent male players. Therefore, the purpose of this study was to investigate the relationships between the standing long jump, the three-hop test and sprint performance in prepubescent male soccer players. Material and methods. This study comprised 112 prepubescent soccer players (aged 12.08±1.79 years; height: 154.35±12.50 cm; body mass 43.69±10.28 kg). They were assessed for a 30-m linear sprint with three split sprint times, standing long jump test and three-hop test. The associations and relationships between horizontal jump performance in three-hop test and standing long jump with 0-5m, 10-m, 20-m and 30-m sprint times were investigated. Results and discussion. Correlations and linear regressions were assessed. There were weak and large associations between sprint and jump measures (r = -0.21 to -0.66; p <0.001). Linear regressions all included standing long jump as a predictor, but not three-hop test. There were no regression equations that would predict sprint times from triple hop distance that were significant. In their study of national team female athletes Agar-Newman and Klimstra, (2015) showed contradictory results. In their athletes, triple hop distance was a better predictor than standing long jump of both initial sprint speed, and maximal sprint speed. Thus, this area requires further research to better understand the mechanisms through which both sprint and jump performances are achieved in prepubescent male soccer players. Conclusion. Overall, the results of our study support the use of 30-m linear sprint and horizontal jump performance tests for prepubescent male soccer players. This research showed that sprint times correlated to horizontal jump performance in three-hop test and standing long jump tests. It showed the utility of the standing long jump test to evaluate lower limb performance between prepubescent male soccer players

scholarly journals The Mediating Effect of Change of Direction Speed in the Relationship between the Type of Sport and Reactive Agility in Elite Female Team-Sport Athletes

2021 ◽  
pp. 699-705
Author(s):  
Jarosław Domaradzki ◽  
Marek Popowczak ◽  
Teresa Zwierko
Keyword(s):  
Mediation Analysis ◽  
Team Sports ◽  
Mediating Effect ◽  
Change Of Direction ◽  
Sport Training ◽  
Effective Components ◽  
Study Results ◽  
Reactive Agility ◽  
The Relationship

The main aim of this study was to examine the mediating effect of the change of direction speed (CODs) on reactive agility (RA) in female players participating in different team sports (TS). In total, there were 31 elite female players from the Polish national basketball (n = 12, aged 24.98 ± 3.38) and handball (n = 19, aged 27.34 ± 4.68) teams participated in this study. Two experiments using the ‘five-time shuttle run to gates’ test with similar movement patterns were used to determine the players’ RA and CODs. A simple mediation model was utilised to investigate the potential mediation role of CODs and its effect on RA. The results revealed a primary, statistically significant effect of TS on RA (B = 0.796, p = 0.005), which decreased and became statistically insignificant after including the CODs variable into the model of mediation analysis (B = 0.337, p = 0.192). The RA test results were mediated by changes in CODs (B = 0.764, p < 0.001). Likewise, TS affected CODs (B = 0.602, p = 0.016). The general conclusion is that the relationship between TS and RA is not inherent. The direct effect of TS on RA disappears in the presence of the mediator CODs. Study results confirm the relevance of using the mediation analysis to apply in sport training. Identification of the critical ingredients of the athletes’ agility performance can improve training programs by focusing on effective components.

scholarly journals The relationship between isometric mid-thigh pull variables, jump variables and sprint performance in collegiate soccer players

2017 ◽  
Vol 6 (2) ◽  
pp. 42-46 ◽  
Author(s):  
Seita Kuki ◽  
Kimitake Sato ◽  
Michael H. Stone ◽  
Kenichi Okano ◽  
Takuya Yoshida ◽  
...  
Keyword(s):  
Sprint Performance ◽  
Soccer Players ◽  
The Relationship

HUBUNGAN REALISASI TRANSFER DAU DAN DAK TERHADAP KESENJANGAN HORIZONTAL DI INDONESIA STUDY TERHADAP 33 PROVINSI PERIODE TA 2009-2013

2019 ◽  
Vol 7 (2) ◽  
Author(s):  
Deni Herdiyana
Keyword(s):  
Pearson Correlation ◽  
Secondary Data ◽  
Strong Relationship ◽  
Financial Statements ◽  
Regional Government ◽  
Horizontal Disparity ◽  
Study Results ◽  
The Relationship ◽  
Research Tools

<p><em>The study was conducted to determine the relationship between the General Allocation Fund (DAU) and the Specific Allocation Fund (DAK) with the horizontal gap level (Gini Ratio). This study uses secondary data from various sources, including the Gini ratio taken from the BPS database while the realization of DAU and DAK transfers is taken from Audited Financial Statements (BUN BA-999.05) for the 2009-2013 FY Period by carrying out research tools through SPSS Statistics 23.</em></p><p><em>This study results is that there is a strong relationship between the realization of DAU and DAK towards horizontal disparity, which is indicated by the Pearson Correlation figure which shows an increase from 0.316 in FY 2009 to 0.418 in FY 2013 for DAU, and an increase from 0.219 in FY 2009 to 0.316 in FY 2013 for DAK. Furthermore, a significant 2-tailed explanation shows that there is a stronger relationship between the DAU and the horizontal gap compared to the relationship between the DAK and the horizontal gap.</em></p><em>The researcher recommends that the portion of the DAU allocation intended for people's welfare should be further improved and there is a need for further evaluation and supervision of the absorption of DAK by the Regional Government so that the implementation of the use of these funds is targeted and more accountable.</em>

scholarly journals The Relationship between Change of Direction Tests in Elite Youth Soccer Players

Sports ◽  
2019 ◽  
Vol 7 (5) ◽  
pp. 111 ◽  
Author(s):  
Björn Kadlubowski ◽  
Michael Keiner ◽  
Hagen Hartmann ◽  
Klaus Wirth ◽  
Ulrich Frick
Keyword(s):  
Pearson Correlation ◽  
Team Sports ◽  
Soccer Players ◽  
Limiting Factor ◽  
Youth Soccer ◽  
Change Of Direction ◽  
False Discovery ◽  
Physical Abilities ◽  
Pearson Correlation Analysis ◽  
The Relationship

Change of direction (COD) is a performance-limiting factor in team sports. However, there are no exact definitions describing which physical abilities limit COD performance in soccer. Nevertheless, different COD tests are used or have been recommended as being equally effective in the professional practice of measuring COD performance. Therefore, the aim of this study was to evaluate the relationship between different COD tests, and to test the independence and generalizability of these COD tests in soccer. As such, 27 elite youth soccer players were randomly recruited and were tested in different COD tests (i.e., Illinois agility test (IAT), T agility test (TT), 505 agility test (505), Gewandtheitslauf (GewT), triangle test (Tri-t), and square test (SQT)). Bivariate Pearson correlation analysis was used to assess the relationships between the COD tests. The Benjamini–Hochberg method was used to control for the false discovery rate of the study at 0.05. This investigation calculated explained variances of 10% to 55% between performances in the different COD tests. This suggested that the tests covered different aspects or task-specific characteristics of the COD. Therefore, coaches and sport scientists should review and select different tests with a logical validity, based on the requirement profiles of the corresponding sport.

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