scholarly journals Effects of Combined Plyometric and Short Sprints Training on Athletic Performance of Male U19 Soccer Players

2021 ◽  
Vol 12 ◽  
Author(s):  
Ghaith Aloui ◽  
Hermassi Souhail ◽  
Lawrence D. Hayes ◽  
El Ghali Bouhafs ◽  
Mohamed Souhaiel Chelly ◽  
...  
Keyword(s):  
Body Mass ◽  
Body Fat ◽  
Athletic Performance ◽  
Soccer Players ◽  
Sprint Training ◽  
Post Intervention ◽  
Significant Group ◽  
Change Of Direction ◽  
Intervention Measures ◽  
Standard Training

This project investigated adding 8 weeks of biweekly plyometric and short sprints training into standard training in elite youth soccer players. An experimental group (EG, n = 18, age: 17.6 ± 0.6 years, body mass: 67.6 ± 5.8 kg, height: 1.75 ± 0.06 m, and body fat: 11.5 ± 1.6%) and control group (CG, n = 18, age: 17.5 ± 0.6 years, body mass: 68.8 ± 3.6 kg, height: 1.77 ± 0.04 m, and body fat: 11.7 ± 1.2%) participated. Pre-intervention and post-intervention measures were squat-jump (SJ), countermovement-jump (CMJ), standing long jump (SLJ), 5 and 20 m sprints, change-of-direction ability (4 × 5 m sprint test [S 4 × 5 m] and sprint 9-3-6-3-9 m with backward and forward running [SBF]), repeated change of direction (RCOD), and static balance (the stork balance test). For all parameters, significant (p < 0.001, ηp2 > 0.10) time and interaction (group × time) effects were observed. For three parameters (SBF, RCOD fastest time, and SLJ) no significant group effects were observed. The EG consistently showed a significantly higher performance level than the CG and a higher amount of effect sizes d (EG: drange: 1.27–2.61; CG: drange: 0.13–0.79) as an indicator for the development of performance between pre-intervention and post-intervention measures. Adding biweekly plyometric and short sprint training to standard training improves the athletic performance of young soccer players. Such plyometric and short sprint training conditioning can be highly recommended as part of the annual short training program for male elite under-19 (U19) soccer players.

scholarly journals Effects of Plyometric and Short Sprint with Change-of-Direction Training in Male U17 Soccer Players

2021 ◽  
Vol 11 (11) ◽  
pp. 4767
Author(s):  
Ghaith Aloui ◽  
Souhail Hermassi ◽  
Lawrence D. Hayes ◽  
Nilihan E. M. Sanal Hayes ◽  
El Ghali Bouhafs ◽  
...  
Keyword(s):  
Body Mass ◽  
Body Fat ◽  
Training Group ◽  
Soccer Players ◽  
Control Group ◽  
Static Balance ◽  
Post Intervention ◽  
Balance Test ◽  
Youth Soccer ◽  
Change Of Direction

This project investigated the effect of adding 8 weeks of bi-weekly plyometric and short sprint with change-of-direction (PSSCoD) training into standard training for elite youth soccer players from Tunisia. A training group (n = 18; age: 16.6 ± 0.5 years; body mass: 63.2 ± 4.8 kg; stature: 1.73 ± 0.07 m; body fat: 11.2 ± 1.7%), and control group (n = 16; age: 16.6 ± 0.5 years; body mass: 63.6 ± 4.3 kg; height: 1.73 ± 0.06 m; body fat: 11.6 ± 1.5%) participated. The pre- and post-intervention measures were squat-jump (SJ), countermovement jump (CMJ), standing long jump (SLJ), 5 m and 20 m sprint, change-of-direction ability (4 × 5 m sprint test (S 4 × 5 m)), repeated sprint ability (RSA), and static balance (stork balance test). The training group displayed superior jump (all p < 0.05; d > 0.49), sprint (p < 0.05; d > 0.52), change-of-direction ability (p < 0.01; d = 0.78), RSA (p < 0.01; d > 0.70), and static balance (p < 0.05; d > 0.49) improvements. Adding bi-weekly PSSCoD improves the athletic performance of young soccer players.

scholarly journals An 8-Week Program of Plyometrics and Sprints with Changes of Direction Improved Anaerobic Fitness in Young Male Soccer Players

2021 ◽  
Vol 18 (19) ◽  
pp. 10446
Author(s):  
Ghaith Aloui ◽  
Souhail Hermassi ◽  
Aymen Khemiri ◽  
Thomas Bartels ◽  
Lawrence D. D. Hayes ◽  
...  
Keyword(s):  
Body Mass ◽  
Body Fat ◽  
Young Male ◽  
Soccer Players ◽  
Control Group ◽  
Static Balance ◽  
Balance Performance ◽  
Post Intervention ◽  
Balance Test ◽  
Change Of Direction

This study examined the effects of 8 weeks of twice-weekly combined plyometric and sprint with change-of-direction (CPSCoD) training into habitual training regimes of young male soccer players. Participants were randomly allocated to an experimental group (n = 17, age: 14.6 ± 0.44 years, body mass: 61.2 ± 7.34 kg, height: 1.67 ± 0.09 m, body fat: 11.2 ± 1.56%) and a control group (n = 16, age: 14.6 ± 0.39 years, body mass: 61.1 ± 3.96 kg, height: 1.67 ± 0.05 m, body fat: 11.8 ± 1.47%). Measures obtained pre- and post intervention included vertical and horizontal jump performance (i.e., squat jump (SJ), countermovement jump (CMJ), and standing long jump (SLJ)), and sprint performance (i.e., 5 m and 20 m sprint). In addition, Measures obtained pre- and post-intervention included change-of-direction ability (4 × 5 m sprint test (S 4 × 5 m) and sprint 9–3–6–3–9 m with backward and forward running (SBF)), repeated change of direction (RCoD), and static balance performance (stork balance test). The training group experienced superior jump (all p < 0.05; d ≥ 0.61), sprint (all p < 0.05; d ≥ 0.58), change-of-direction (CoD) ability (all p < 0.05; d ≥ 0.58), RCoD (all parameters except the fatigue index p < 0.01; effect size (d) ≥ 0.71), and static balance (all p < 0.05; d ≥ 0.66) improvement. Adding twice-weekly CPSCoD training to standard training improves the anaerobic performance of U15 male soccer players.

scholarly journals Improvement of Physical Performance Following a 6 Week Change-of-Direction Training Program in Elite Youth Soccer Players of Different Maturity Levels

2021 ◽  
Vol 12 ◽  
Author(s):  
Dorsaf Sariati ◽  
Raouf Hammami ◽  
Hassane Zouhal ◽  
Cain C. T. Clark ◽  
Ammar Nebigh ◽  
...  
Keyword(s):  
Training Program ◽  
Effect Size ◽  
Soccer Players ◽  
Height Velocity ◽  
Adherence Rate ◽  
Peak Height Velocity ◽  
Post Intervention ◽  
Significant Group ◽  
Youth Soccer ◽  
Change Of Direction

Background: Change-of-direction (CoD) is a necessary physical ability of a field sport and may vary in youth players according to their maturation status.Objectives: The aim of this study is: to compare the effectiveness of a 6-week CoD training intervention on dynamic balance (CS-YBT), horizontal jump (5JT), speed (10 and 30-m linear sprint times), CoD with (15 m-CoD + B) and without (15 m-CoD) the ball, in youth male soccer players at different levels of maturity [pre- and post-peak height velocity (PHV)].Materials and Methods: Thirty elite male youth soccer players aged 10–17 years from the Tunisian first division participated in this study. The players were divided into pre- (G1, n = 15) and post-PHV (G2, n = 15) groups. Both groups completed a similar 6-week training program with two sessions per week of four CoD exercises. All players completed the following tests before and after intervention: CS-YBT; 5 JT; 10, 30, and 15 m-CoD; and 15 m-CoD + B, and data were analyzed using ANCOVA.Results: All 30 players completed the study according to the study design and methodology. Adherence rate was 100% across all groups, and no training or test-related injuries were reported. Pre-PHV and post-PHV groups showed significant amelioration post-intervention for all dependent variables (after test &gt; before test; p &lt; 0.01, d = 0.09–1.51). ANOVA revealed a significant group × time interaction only for CS-YBT (F = 4.45; p &lt; 0.04; η2 = 0.14), 5JT (F = 6.39; p &lt; 0.02; η2 = 0.18), and 15 m-CoD (F = 7.88; p &lt; 0.01; η2 = 0.22). CS-YBT, 5JT, and 15 m-CoD improved significantly in the post-PHV group (+ 4.56%, effect size = 1.51; + 4.51%, effect size = 1.05; and -3.08%, effect size = 0.51, respectively), more than the pre-PHV group (+ 2.77%, effect size = 0.85; + 2.91%, effect size = 0.54; and -1.56%, effect size = 0.20, respectively).Conclusion: The CoD training program improved balance, horizontal jump, and CoD without the ball in male preadolescent and adolescent soccer players, and this improvement was greater in the post-PHV players. The maturity status of the athletes should be considered when programming CoD training for soccer players.

scholarly journals Loaded Plyometrics and Short Sprints with Change-of-Direction Training Enhance Jumping, Sprinting, Agility, and Balance Performance of Male Soccer Players

2021 ◽  
Vol 11 (12) ◽  
pp. 5587
Author(s):  
Ghaith Aloui ◽  
Souhail Hermassi ◽  
Lawrence D. Hayes ◽  
El Ghali Bouhafs ◽  
Mohamed Souhaiel Chelly ◽  
...  
Keyword(s):  
Body Mass ◽  
Dynamic Balance ◽  
Soccer Players ◽  
Control Group ◽  
Balance Performance ◽  
Post Intervention ◽  
Squat Jump ◽  
Change Of Direction ◽  
Jump Test ◽  
And Control

This project investigated effects of 8 weeks of biweekly loaded combined plyometric and short sprint with change-of-direction training an in-season regimen of young soccer players. An experimental (n = 17, age: 16.5 ± 0.5 years, body mass: 64.5 ± 5.2 kg, height: 1.73 ± 0.07 m,) and control group (n = 17, age: 16.7 ± 0.5 years, body mass: 65.6 ± 4.8 kg, height: 1.74 ± 0.07 m) were tested pre- and post-intervention for squat-jump (SJ), countermovement-jump (CMJ), and five-jump test (5JT), 10 m and 30 m sprint performance, change-of-direction ability, and dynamic balance performance. The experimental group (EG) outperformed the control group (CG) over 8 weeks in jumping (p < 0.001; d = 0.98–1.17), 10 m sprinting (p < 0.001; d = 0.94), change-of-direction ability (p < 0.001; d = 1.24), and dynamic balance performance (p < 0.001; d = 0.53–0.74). We conclude that adding biweekly loaded plyometric with short sprints and change-of-direction training to habitual training improves athleticism of young soccer players. Therefore, loaded plyometric with short sprints and change-of-direction training should be implemented as a part of research-informed soccer training.

Dynamic Warm-Up With a Weighted Vest: Improvement of Repeated Change-of-Direction Performance in Young Male Soccer Players

2020 ◽  
Vol 15 (2) ◽  
pp. 196-203
Author(s):  
Olfa Turki ◽  
Wissem Dhahbi ◽  
Sabri Gueid ◽  
Sami Hmaied ◽  
Marouen Souaifi ◽  
...  
Keyword(s):  
Body Mass ◽  
Body Height ◽  
Soccer Players ◽  
Peak Time ◽  
Fatigue Index ◽  
Warm Up ◽  
Change Of Direction ◽  
Recovery Times ◽  
Weighted Vest ◽  
Weighted Vests

Purpose: To explore the effect of 4 different warm-up strategies using weighted vests and to determine the specific optimal recovery duration required to optimize the repeated change-of-direction (RCOD) performance in young soccer players. Methods: A total of 19 male soccer players (age 18 [0.88] y, body mass 69.85 [7.68] kg, body height 1.75 [0.07] m, body mass index 22.87 [2.23] kg·m−2, and body fat percentage 12.53% [2.59%]) completed the following loaded warm-up protocols in a randomized, counterbalanced cross-over, within-participants order and on separate days: weighted vest with a loading of 5% (WUV5%), 10% (WUV10%), 15% (WUV15%) body mass, and an unloaded condition (control). RCOD performance (total time, peak time, and fatigue index) was collected during the preintervention phase (5 min after the dynamic stretching sequence) for baseline values and immediately (at 15 min), at 4- and 8-minute postwarm-up intervention. Results: For each postwarm-up tested, recovery times (ie, 15 s, 4 min, and 8 min), of both total and peak times were faster following WUV5%, WUV10%, and WUV15%, compared with the unloaded condition (P ≤.001–.031, d = 1.28–2.31 [large]). There were no significant differences (P = .09–1.00, d = 0.03–0.72 [trivial–moderate]) in-between recovery times in both total and peak times following WUV5%, WUV10%, and WUV15%. However, baseline fatigue index score was significantly worse than all other scores (P ≤.001–.002, d = 1.35–2.46 [large]) following the loaded conditions. Conclusions: The findings demonstrated that a dynamic loaded warm-up increases an athlete’s initial RCOD performance up to the 8-minute postwarm-up intervention. Therefore, strength coaches need to consider using weighted vests during the warm-up for trained athletes in order to acutely optimize RCODs.

scholarly journals Body composition and maximal oxygen consumption in adult soccer players in the Republic of Macedonia

2015 ◽  
Vol 5 (3) ◽  
pp. 85-92
Author(s):  
Jasmina Pluncevikj Gligoroska ◽  
Sanja Manchevska ◽  
Ljudmila Efremova ◽  
Lidija Todorovska ◽  
Slobodan Nikolic
Keyword(s):  
Body Composition ◽  
Oxygen Consumption ◽  
Muscle Mass ◽  
Body Mass ◽  
Body Fat ◽  
Maximal Oxygen Consumption ◽  
Age Groups ◽  
Total Sample ◽  
Soccer Players ◽  
Mean Values

Introduction: The purpose of this study was to investigate the relationship between active and passive body mass components and maximal aerobic consumption (VO2max) in adult male soccer players.Methods: The study involved seven hundred (700) male soccer players, mean age 25.06 ± 4.41 years (range 18 to 35), divided in six age groups. Body composition was assessed according the anthropometric protocol by Matiegka, and relative muscle mass (MM%), bone (BM%) and fat (BF%)  and absolute muscle mass (MMkg), bone (BMkg) and fat (BFkg) components were calculated. The Bruce protocol (incremental multistage treadmill test) was used for the estimation of maximal oxygen consumption.Results: Mean values of body mass components for total sample were as follows: muscle mass (MM%)= 52.75 ± 2.63%, bone mass (BM%)=16.63 ± 1.29% and body fat (BF%)=14.12 ± 1.54%.  Mean VO2max was 48.89±5.17 ml/kg/minute. Relative muscle mass (MM%) showed similar values across age different groups (ANOVA: F=2.174; p=0.06) while absolute muscle mass (MMkg) showed tendency of increment with age (ANOVA: F=2.136; p=0.01). Body fat (BFkg and BF%) was statistically higher in the older groups (ANOVA F=3.737; p<0.01; ANOVA F=4.117; p<0.01). Weak positive correlation between VO2 max and muscle component (r=0.243; p<0.001) and a weak negative correlation between VO2max and body fat (r=-0.08;p<0.05) were found.Conclusions: Our results confirm the assumption that subjects with larger muscle mass have greater endurance and higher maximal oxygen consumption compared to subjects with larger body fat component. 

scholarly journals Reduced cognitive resiliency ofattention-deficit/hyperactivity disorder against subconcussive head impacts

Neurology ◽  
2019 ◽  
Vol 93 (14 Supplement 1) ◽  
pp. S29.1-S29
Author(s):  
Madeleine Nowak ◽  
Patrick Quinn ◽  
Keisuke Ejima ◽  
Timothy Mickelborough ◽  
Sharlene Newman ◽  
...  
Keyword(s):  
Verbal Memory ◽  
Visual Memory ◽  
Neurocognitive Function ◽  
Significant Decline ◽  
Cognitive Testing ◽  
Soccer Players ◽  
Post Intervention ◽  
Significant Group ◽  
Head Impacts ◽  
Hyperactivity Disorder

ObjectiveThe purpose of this study was to determine the subconcussive head impacts (SHI) effects on neurocognitive function in individuals diagnosed with attention-deficit/hyperactivity disorder (ADHD).BackgroundAthletes diagnosed with ADHD have a heightened risk (2 to 4-fold) for sustaining concussion. However, their response to repetitive SHI remain unclear.Design/MethodsIn this case-control intervention study, 17 soccer players clinically diagnosed with ADHD who take their prescribed medication daily, were assigned a heading intervention (ADHD-Heading group),individuals who met the ADHD criteria but were non-soccer players, were assigned into a kicking group, (ADHD-Kicking group, n = 15). Whereas 34 soccer players without ADHD diagnosis were randomized into either a heading or kicking intervention, yielding Non-ADHD-Heading group (n = 17) or Non-ADHD-Kicking group (n = 17). To implement SHI, the heading groups executed 10 headers with a standard soccer ball projected at a velocity of 25 mph (equivalent to a long throw-in) over 10 minutes by a JUGS soccer machine, while the kicking groups performed 10 kicks. Neurocognitive function was measured via the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) at pre-intervention baseline, 0h, 2h, and 24h post-intervention.ResultsThe vulnerability to SHI was notable in subjects diagnosed with ADHD particularly in memory, as illustrated by a significant group × time interaction, F(6,96) = 3.796, p = 0.002. Both Kicking groups improved verbal memory over time indicating the brain’s ability to learn, whereas the Non-ADHD-Heading group showed no improvement. The ADHD-Heading group showed a significant decline at 0h and 2h post-heading compared to other groups. As for visual memory, the ADHD-Heading group showed a significant decline at 24h post; however, all other groups displayed improvement. There were no group differences in remaining domains.ConclusionsData suggests neurocognitive vulnerability in athletes diagnosed with ADHD after experiencing SHI, specifically in memory performance. These outcomes can better inform clinicians; overall, promoting a better personalized care in athletes diagnosed with ADHD.

scholarly journals Effects of Three Different Combined Training Interventions on Jump, Change of Direction, Power Performance, and Inter-Limb Asymmetry in Male Youth Soccer Players

Sports ◽  
2021 ◽  
Vol 9 (12) ◽  
pp. 158
Author(s):  
Alejandro Moreno-Azze ◽  
José Luis Arjol-Serrano ◽  
David Falcón-Miguel ◽  
Chris Bishop ◽  
Oliver Gonzalo-Skok
Keyword(s):  
Young Male ◽  
Soccer Players ◽  
Power Performance ◽  
Countermovement Jump ◽  
Mean Power ◽  
Post Intervention ◽  
Combined Training ◽  
Change Of Direction ◽  
Training Interventions ◽  
Speed Test

Background: This study compared the effects of performing different unilateral combined training interventions on diverse vertical and horizontal jumping performance parameters, change of direction, concentric and eccentric mean power, and their associated inter-limb asymmetries in young soccer players. Methods: Forty-seven young male soccer players (age: 15.5 ± 0.9 years) were distributed into three groups. Two groups performed the same training volume with both legs, beginning with the weaker leg (Stronger Volume Weaker leg group (SVW), n = 14) or with the stronger leg (Stronger Volume Stronger leg group, (SVS), n = 15). The third group executed double the volume with the weaker leg and also commenced with such leg (Double Volume Weaker leg group (DVW), n = 16) during a 10-week period. Pre- and post-intervention tests included a single-leg hop, single-leg lateral hop, triple hop, bilateral and unilateral countermovement jumps, a change of direction speed test, concentric and eccentric mean power during the lateral squat test, and their corresponding asymmetries. Results: Single-leg hop weaker leg, triple hop weaker leg, and bilateral countermovement jump improvements were achieved in the SVW (ES: 0.29 to 0.46) and DVW (ES: 0.55 to 0.73) groups. Between-groups analysis showed better results in single-leg hop in the SVW and DVW compared to group SVS. The DVW group achieved better improvements in countermovement jump in comparison to groups SVS and SVW. Conclusions: Groups that started with the weaker leg seemed to achieve a greater volume of significant changes than when starting with the stronger leg. Performing a double volume on the weaker limb does not guarantee further improved performance compared to other groups.

scholarly journals Effects of a Specific Core Stability Program on the Sprint and Change-of-Direction Maneuverability Performance in Youth, Male Soccer Players

2021 ◽  
Vol 18 (19) ◽  
pp. 10116
Author(s):  
Eric Brull-Muria ◽  
Jose Vicente Beltran-Garrido
Keyword(s):  
Performance Studies ◽  
Athletic Performance ◽  
Core Stability ◽  
Intervention Programs ◽  
Soccer Players ◽  
Change Of Direction ◽  
Stability Group ◽  
Weekly Training ◽  
Before And After ◽  
Soccer Training

Although it is recommended to use sport-specific training programs to optimize performance, studies analyzing the effects of the core stability training with high levels of sport-specificity on athletic performance are insufficient and unclear. The objective of this study was to analyze the effects of the level of specificity of a CORE stability program on specific soccer actions. Fourteen youth players were randomly assigned to the specific core stability group (SCS; n = 7) or the general core stability group (GCS; n = 7). The eight-week intervention consisted of two weekly training sessions added to the usual soccer training. Both groups performed four CORE stability tasks. The SCS group followed the principle of sports specificity, while the GCS group performed CORE stability commons. Ten-meter linear sprinting (Sprint) and change-of-direction maneuverability (V-cut) were evaluated before and after the intervention programs. A statistically significant improvement was obtained in Sprint (d = 0.84 95% CI (0.22, 1.45), p = 0.008) and V-cut (d = 1.24 95% CI (0.52, 1.93), p < 0.001). At posttest, statistically nonsignificant differences were obtained between groups in Sprint (d = 1.03 95% CI (−0.25, 2.30), p = 0.082) and V-cut (d = −0.56 95% CI (−1.89, 0.78), p = 0.370). In conclusion, sprint and change-of-direction maneuverability were improved, but there was no superiority of any type of training.

Effect of Heavy Resisted Sled Sprint Training During the Competitive Season on Sprint and Change-of-Direction Performance in Professional Soccer Players

2019 ◽  
Vol 14 (8) ◽  
pp. 1066-1073 ◽  
Author(s):  
Brian J. McMorrow ◽  
Massimiliano Ditroilo ◽  
Brendan Egan
Keyword(s):  
Training Group ◽  
Sprint Performance ◽  
Soccer Players ◽  
Confidence Limits ◽  
Sprint Training ◽  
Change Of Direction ◽  
Professional Soccer ◽  
Competitive Season ◽  
Before And After ◽  
Total Program

Purpose: Resisted sled sprinting (RSS) is an effective tool for improving sprint performance over short distances, but the effect on change-of-direction (COD) performance is largely unknown. The present study investigated the effect of heavy RSS training during the competitive season on sprint and COD performance in professional soccer players. Methods: Over 6 wk in-season, an RSS training group (n = 6) performed RSS at a sled load of 30% body mass for a total program running distance of 800 m, whereas an unresisted sprint (URS) training group (n = 7) performed the same distance of unresisted sprinting. A 20-m maximal sprint with split times measured at 5, 10, and 20 m and the sprint 9-3-6-3-9 m with 180° turns COD test were performed before and after the intervention. Results: Sprint performance (mean, 95% confidence limits, qualitative inference) was improved in both groups over 5 m (URS, 5.1%, −2.4 to 12.7, likely moderate; RSS, 5.4%, 0.5–10.4, likely moderate), 10 m (URS, 3.9%, −0.3 to 8.1, very likely moderate; RSS, 5.0%, 1.8–8.0, very likely large), and 20 m (URS, 2.0%, −0.6 to 4.5, likely moderate; RSS, 3.0%, 1.7–4.4, very likely moderate). COD was improved in both groups (URS, 3.7%, 2.2–5.2, most likely large; RSS, 3.3%, 1.6–5.0, most likely moderate). Between-groups differences were unclear. Conclusion: Heavy RSS and URS training matched for running distance were similarly effective at improving sprint and COD performance in professional soccer players when performed in the competitive phase of the season.

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