scholarly journals Physical Performance During Soccer-7 Competition and Small-Sided Games in U12 Players

2019 ◽  
Vol 67 (1) ◽  
pp. 281-290 ◽  
Author(s):  
Javier Sanchez-Sanchez ◽  
Mario Sanchez ◽  
Daniel Hernández ◽  
Oliver Gonzalo-Skok ◽  
David Casamichana ◽  
...  
Keyword(s):  
Physical Performance ◽  
High Speed ◽  
Peak Velocity ◽  
Activity Profile ◽  
Match Play ◽  
Physical Demands ◽  
Total Distance ◽  
External Loads ◽  
Stimulation Of

AbstractThe aim of this study was to compare the activity profile (external loads) during soccer-7 competition versus 6 vs 6 small-sided games ( SSGs) in U12 players. Peak velocity (Vmax), total distance completed (DT), total distance relative to match duration, the percentage of DT in acceleration (%DAC) and in deceleration (%DEA), and the percentage of DT at different speeds were recorded. Six types of SSGs were randomly implemented: without pitch orientation-delimitation and with a limit of three ball-contacts per player (3TOU), with no limit of ball-contacts (MAN), with a greater number of players as internal-offensive wildcard players (2WI) or external-offensive wildcard players (4WE); and with pitch orientation-delimitation and crossing the rival goal-line while dribbling the ball without goalkeepers (INV) or using official goalkeepers (GKP). The physical demands of SSGs were compared with the average of two soccer-7 match plays. During soccer-7 match plays a lower %DAC and %DEA (p < 0.05) were observed compared to 2WI, 4WE, INV and GKP, and to INV and GKP, respectively. The Vmax and %HI were greater (p < 0.05) in soccer-7 match plays compared to all SSGs. In conclusion, the demands imposed on U12 players during different formats of SSGs differ from the soccer-7 match play demands, presenting a low stimulation of the actions performed at high-speed and an adequate simulation of acceleration-deceleration actions.

scholarly journals Activity Profile and Physical Performance of Match Play in Elite Futsal Players

2020 ◽  
Vol 11 ◽  
Author(s):  
João Nuno Ribeiro ◽  
Bruno Gonçalves ◽  
Diogo Coutinho ◽  
João Brito ◽  
Jaime Sampaio ◽  
...  
Keyword(s):  
Physical Performance ◽  
Activity Profile ◽  
Match Play

Ecological Validity and Reliability of the Rugby Sevens Simulation Protocol

2016 ◽  
Vol 11 (6) ◽  
pp. 749-755 ◽  
Author(s):  
Nicola Furlan ◽  
Mark Waldron ◽  
Mark Osborne ◽  
Adrian J. Gray
Keyword(s):  
Blood Lactate ◽  
High Speed ◽  
Perceived Exertion ◽  
Ecological Validity ◽  
Rating Of Perceived Exertion ◽  
Validity And Reliability ◽  
Activity Profile ◽  
Match Play ◽  
Performance Variables ◽  
Simulation Protocol

Purpose:To assess the ecological validity of the Rugby Sevens Simulation Protocol (R7SP) and to evaluate its interday reliability.Methods:Ten male participants (20 ± 2 y, 74 ± 11 kg) completed 2 trials of the R7SP, separated by 7 d. The R7SP comprised typical running and collision activities, based on data recorded during international rugby sevens match play. Heart rate (HR) was monitored continuously during the R7SP, and the participants’ movements were recorded through a 20-Hz global positioning system unit. Blood lactate and rating of perceived exertion were collected before and immediately after the 1st and 2nd halves of the R7SP.Results:The average activity profile was 117 ± 5 m/min, of which 27 ± 2 m/min was covered at high speed, with a calculated energetic demand of 1037 ± 581 J/kg, of which ~40% was expended at a rate above 19 W/kg. Mean HR was 88% ± 4% of maximal HR. Participants spent ~45% ± 27% of time above 90% of maximal HR (t >90%HRmax). There were no significant differences between trials, except for lactate between the halves of the R7SP. The majority of the measured variables demonstrated a between-trials coefficient of variation (CV%) lower than 5%. Blood lactate measurements (14–20% CV) and t >90%HRmax (26% CV) were less reliable variables. In most cases, the calculated moderate worthwhile change was higher than the CV%.Conclusions:The R7SP replicates the activity profile and HR responses of rugby sevens match play. It is a reliable simulation protocol that can be used in a research environment to detect systematic worthwhile changes in selected performance variables.

scholarly journals The Influence of Playing Formation on Physical Demands and Technical-Tactical Actions According to Playing Positions in an Elite Soccer Team

2021 ◽  
Vol 18 (8) ◽  
pp. 4148
Author(s):  
José Luis Arjol-Serrano ◽  
Miguel Lampre ◽  
Adrián Díez ◽  
Daniel Castillo ◽  
Fernando Sanz-López ◽  
...  
Keyword(s):  
Training Programs ◽  
Soccer Players ◽  
Specific Training ◽  
Match Play ◽  
Physical Demands ◽  
Total Distance ◽  
Soccer Team

The aim of this study was to examine the differences in the physical demands and technical-tactical actions encountered by soccer players between two playing formations (1-4-2-3-1 and 1-4-4-2) for each playing position. Twenty-three professional male soccer players who played 31 official matches participated in this study. Players were classified according to their playing position: central defenders (CD), wide defenders (WD), central midfielders (CM), wide midfielders (WM), offensive midfielders (OM) and forwards (FW). The physical demands were collected as total distance (TD), distance covered in different speed thresholds, and number of accelerations and decelerations. Also, the technical-tactical variables were recorded. The results showed that the 1-4-2-3-1 playing formation demanded decelerations between 2–4 m·s2 (p = 0.027; ES = 0.26) in comparison with 1-4-4-2 for all players. Likewise, forwards (FW) and central midfielders (CM) registered higher physical demands playing with the 1-4-2-3-1 compared to the 1-4-4-2 formation. Regarding the technical-tactical actions, they showed differences between the playing positions of the two playing formations. The findings suggest coaches prescribe specific training programs based on the influence of the playing formation and playing position on the physical demands and technical-tactical actions encountered by players during official match-play.

scholarly journals The Effect of Contextual Variables on Match Performance across Different Playing Positions in Professional Portuguese Soccer Players

2021 ◽  
Vol 18 (10) ◽  
pp. 5175
Author(s):  
Joel Barrera ◽  
Hugo Sarmento ◽  
Filipe Manuel Clemente ◽  
Adam Field ◽  
António J. Figueiredo
Keyword(s):  
Physical Performance ◽  
High Speed ◽  
Satellite System ◽  
Soccer Players ◽  
Physical Demands ◽  
Situational Variables ◽  
All Speeds ◽  
Global Navigation Satellite ◽  
Walking Speeds ◽  
Very High

This study investigated the position-specific physical demands of professional Portuguese players. The effects of situational variables on the physical performance demands were also analysed (match location, match half and match result). Match performance observations were collected using Global Navigation Satellite System devices across 11 matches during a competitive season (2019–2020). Data were analysed according to five playing positions: goalkeepers (n = 11), central defenders (n = 42), wide defenders (n = 31), central midfielders (n = 34), open attackers (n = 28), and centre forwards (n = 14). Central midfield players completed the greatest total distance (10,787 ± 1536 m), while central defenders covered the least distance (9272 ± 455; p < 0.001). Open attackers covered the greatest high and very-high-speed distance (1504 ± 363 m), number of high-speed decelerations per match (11 ± 4) and were the fastest players (30.6 ± 1.5 km/h), along with center forwards (30.6 ± 2.0 km/h), versus all other positions (p < 0.05). Greater distances were performed in teams that were winning (9978 ± 1963 m) or drawing (10,395 ± 875 m) versus losing (9415 ± 2050) p = 0.036 and p = 0.006, respectively. Increases in distance covered at walking speeds were observed during the 2nd half (1574 ± 179 m) compared with the 1st half (1483 ± 176; (p < 0.003). A higher number of decelerations across all speeds were performed in the 1st half (144 ± 39) versus the 2nd half (135 ± 37). The distance covered in home matches (10,206 ± 1926 m) far exceeded away matches (9471 ± 1932 m; p < 0.001). The number of faster accelerations were higher in away (7 ± 5) versus home matches (6 ± 4; p < 0.049). The data demonstrate the different physical demands of each playing position and suggest that situational variables influence physical performance. These findings suggest position-specific physical training is required to condition players for the bespoke demands of each playing position.

scholarly journals Influence of contextual factors on physical demands and technical-tactical actions regarding playing position in professional soccer players

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Adrián Díez ◽  
Demetrio Lozano ◽  
Jose Luis Arjol-Serrano ◽  
Elena Mainer-Pardos ◽  
Daniel Castillo ◽  
...  
Keyword(s):  
High Speed ◽  
Final Outcome ◽  
Soccer Players ◽  
Medium Effect ◽  
Analysis Tool ◽  
Convenience Sample ◽  
Physical Demands ◽  
Total Distance ◽  
Professional Soccer ◽  
At Home

Abstract Background The aim of this study was to analyse the physical demands and technical-tactical actions for each playing position according to game location and final outcome in professional soccer players. Methods A convenience sample was obtained from twenty-one professional male soccer players, belonged to same soccer team of the Spanish Second Division. Players’ physical demands were monitored during each match using a portable 18 Hz GPS unit and 600 Hz triaxial accelerometer. These analysed demands were total distance, moderate speed running distance (>14.4 km·h-1), high-speed running distance (>19.8. km·h-1), sprint distance (>25.0 km·h-1), number of accelerations between 2 and 4 m·s-2 and above 4 m·s-2, and number of decelerations between 2 and 4 m·s-2 and above 4 m·s-2. The data related to technical-tactical actions were obtained from WyScout®, a computerized multiple-camera tracking system based on the OPTA® track analysis tool. The obtained indicators were general, defensive and offensive. Results For all players, higher total distance (p = 0.045; effect size [ES] = 0.24, small effect) was covered and greater deceleration 2-4 m·ss-2 (p = 0.001; ES = 0.68, medium effect) was performed when the team plays at home and lose and for all players, playing at home and winning demanded higher defensive volume (p =0.014; ES = − 1.49, large effect) and nº interceptions (p =0.031; ES = − 1.40, large effect) in comparison to playing at home and losing. Conclusions The physical demands and technical-tactical actions vary when contextual game factors (i.e., match location and final outcome) are considered. We can confirm that, although the training of physical demands does not influence the final result of the match, the training of technical tactical actions could help to achieve an optimal performance of the team to win matches.

scholarly journals Evolution of physical performance in professional soccer across four consecutive seasons

2021 ◽  
Vol 13 (3) ◽  
pp. 79-85
Author(s):  
LUKASZ RADZIMINSKI ◽  
ZBIGNIEW JASTRZEBSKI
Keyword(s):  
Physical Performance ◽  
High Intensity ◽  
High Speed ◽  
Running Performance ◽  
Performance Variables ◽  
Total Distance ◽  
Professional Soccer ◽  
Physical Match

Background: Main purpose of this research was to investigate the changes of physical match performance in Polish Ekstraklasa across four consecutive seasons. Material and methods: A total of 949 official matches from season 2017/2018 to 2020/2021 were analyzed. Such match running performance variables as total distance, high-speed running, sprinting, and number of high-intensity runs were involved. Each season data were divided into two rounds (spring round and autumn round). Due to the pandemic of COVID-19 additional post-lockdown round (Spring I 2019/2020) occurred. Results: Comparison in the results between Spring 2017/2018 and Spring 2020/2021 indicated significant increases in total distance (2.1%, p<0.001), high-speed running (11.9%, p<0.001), sprinting distance (7.7%, p<0.01) and number of high-intensity runs (9.7%, p<0.001). Moreover, within season analysis exhibited that during spring rounds Ekstraklasa teams covered significantly longer (p<0.01) distances in high-speed running than during autumn rounds. Reduction in physical match performance was reported after the 12-week pandemic lockdown. Conclusions: The results of this study confirmed the growing importance of such match activities as high-speed running, sprinting and number of high intensity runs which increased in Polish Ekstraklasa by 8-12% within last 4 years. This growing tendency was disrupted by unexpected off-season period caused by COVID-19 lockdown.

scholarly journals Positional Comparisons in the Impact of Fatigue on Movement Patterns in Hockey

2018 ◽  
Vol 13 (9) ◽  
pp. 1149-1157 ◽  
Author(s):  
Esther Morencos ◽  
Blanca Romero-Moraleda ◽  
Carlo Castagna ◽  
David Casamichana
Keyword(s):  
Global Positioning System ◽  
High Speed ◽  
Movement Patterns ◽  
Match Play ◽  
Total Distance ◽  
Positional Variation ◽  
Hockey Players ◽  
Global Positioning ◽  
National League ◽  
The Impact

Purpose: To examine the influence of the match period on the movement patterns of hockey players according to their playing positions under the introduction of quarters (QTRs). Methods: Sixteen subelite-level Spanish National League male hockey players participated in the study (age: 25.5 [2.9] y; body mass: 74.6 [5.5] kg). Global positioning system devices were used to monitor players’ running performance during 17 competitive matches (113 match-play profiles). Only players who played for at least 85% of the game were analyzed. Players were placed into 3 position categories: backs, midfielders, and forwards. Results: Moderate to large differences in relative total distance were found between midfielders and both backs and forwards in all QTRs (effect size [ES]: 0.4–1.2). ES for total distance was moderate for midfielders when compared with backs during the first QTR (moderate ES: 0.7). Midfielders and forwards covered more distance (m and m·min−1) in high-velocity zones than backs (ES: 0.6). Acceleration activities (n·min−1) at moderate and high intensities decreased in all groups across QTRs with moderate to very large ES (ES: 0.4–1.4). Relative sprinting distance decreased in backs (ES: 0.8). Backs had fewer repeated-sprint bouts (n and n·min−1) as the game progressed (ES: 1.0). Conclusions: During competitive match play, a degree of positional variation can be observed across QTRs. The relative distance and the number of accelerations and decelerations at moderate and high intensity decreased across QTRs. No between-QTRs differences in high-speed activity were reported.

scholarly journals Global Positioning System Analysis of Physical Demands in Small and Large-Sided Games with Floaters and Official Matches in the Process of Return to Play in High Level Soccer Players

Sensors ◽  
2020 ◽  
Vol 20 (22) ◽  
pp. 6605
Author(s):  
Demetrio Lozano ◽  
Miguel Lampre ◽  
Adrián Díez ◽  
Oliver Gonzalo-Skok ◽  
Diego Jaén-Carrillo ◽  
...  
Keyword(s):  
Global Positioning System ◽  
High Speed ◽  
System Analysis ◽  
Return To Play ◽  
Soccer Players ◽  
Positioning System ◽  
Match Play ◽  
Physical Demands ◽  
Global Positioning ◽  
High Level

The aim of this study was twofold: (i) to analyze the physical demands in the return to play (RTP) process of high-level soccer players in the role of floater in different soccer sided games (SGs) formats (i.e., 4vs4 + 2 and 8vs8 + 1); and (ii) to analyze the differences in physical demands encountered by regular and floater players among the SGs formats and official matches by means of global positioning system technology (GPS APEX pod, North Ireland) was used. Twenty-six highly trained, male soccer players (U16 years) participated in this investigation. Players were classified into two groups: 23 regular and 3 floater players, a total of eight SGs were analyzed, which involved the recording of 80 observations of regular and floater players. Match-play players showed most likely–probable differences in distance covered at high-intensity per minute (D > 14.4/min), at high-speed running per minute (D > 21/min), and peak velocity (Vpeak) in comparison to floaters in the 8vs8 + 1 LSG (large-side-games), and presented most likely differences in accelerations >2/min in comparison to match-play players. Therefore, the use of floaters during the last phase of the RTP (return to play) seems to be a useful strategy for progressive reintroduction into specific training (1) floater in the 4vs4 + 2 SSG; (2) floater in the 8vs8 + 1 LSG; (3) regular player in the 4vs4 + 2 SSG; and (4) regular player in the 8vs8 + 1 LSG before starting full trainings and returning to competition.

scholarly journals Quantifying the Training and Match-Play External and Internal Load of Elite Gaelic Football Players

2021 ◽  
Vol 11 (4) ◽  
pp. 1756
Author(s):  
Shane Malone ◽  
Kieran Collins ◽  
Allistair McRobert ◽  
Dominic Doran
Keyword(s):  
Repeated Measures ◽  
High Speed ◽  
Perceived Exertion ◽  
Current Data ◽  
Rating Of Perceived Exertion ◽  
External Loading ◽  
Football Players ◽  
Internal Load ◽  
Match Play ◽  
Total Distance

The current investigation quantified the training and match-play load of elite Gaelic football players across a two-season period using global positioning system technology (GPS), rating of perceived exertion (RPE) and sessional rating of perceived exertion (sRPE). Total weekly workload variables were collected across GPS, RPE, and sRPE across thirty-six elite Gaelic footballers (mean ± SD, age: 26 ± 5 years; height: 177 ± 8 cm; mass: 81 ± 7 kg) from one elite squad during a two-season observational period. External training load variables included: Total distance (m), High speed running (m; ≥ 17.1 km·h−1), Sprint distance (m; 22 km·h−1), Accelerations (n), Average metabolic power (W·kg−1), High-power distance (m; ≥ 25 W·kg−1). Internal load variables included: sRPE and RPE. Repeated measures ANOVA were used to understand the differences in loading patterns across phases, position, and week types when significant main effects were observed a Tukey’s post hoc test was applied and standardized effect sizes were calculated to understand the practical meaning of these differences. When total weekly loading across phases was considered total load was significantly greater in club 1 and provincial 1 with these phases showing the highest loading for players when compared to all other phases (p ≤ 0.001; ES: 2.95–7.22; very large). Furthermore, in-season 1 was greater for total loading when compared to in-season 2 and both championship phases (p ≤ 0.05; ES: 0.47–0.54; small). Total distance in training was greater during preseason 1 when compared to all other phases of the season (p ≤ 0.001; ES: 2.95–7.22; very large). During the in-season period, training based total distance was higher during provincial 1 when compared to other phases with similar trends across all measures (p ≤ 0.005). Finally, a positional profile for load measures was observed, with weekly context (match or non-match) having an impact on the internal and external loading players experienced across phases. The current data provide useful information for practitioners on the training periodization currently present within the elite Gaelic football training process. Specifically, the data provide positional profiles of loading across weekly and segmented phased of an elite Gaelic football season. These data can increase understanding as to the periods of increased and decreased loading across different phases of an elite Gaelic football season, while providing a framework for future analysis concerning Gaelic football periodization.

Individualization of Time–Motion Analysis: A Case-Cohort Example

2013 ◽  
Vol 8 (4) ◽  
pp. 456-458 ◽  
Author(s):  
Ric Lovell ◽  
Grant Abt
Keyword(s):  
Motion Analysis ◽  
High Intensity ◽  
High Speed ◽  
Analysis Data ◽  
Soccer Players ◽  
Match Play ◽  
Type Method ◽  
Motion Data ◽  
Time Motion ◽  
External Loads

Purpose:To report the intensity distribution of Premier League soccer players’ external loads during match play, according to recognized physiological thresholds. The authors also present a case in which individualized speed thresholds changed the interpretation of time–motion data.Method:Eight outfield players performed an incremental treadmill test to exhaustion to determine the running speeds associated with their ventilatory thresholds. The running speeds were then used to individualize time–motion data collected in 5 competitive fixtures and compared with commonly applied arbitrary speed zones.Results:Of the total distance covered, 26%, 57%, and 17% were performed at low, moderate, and high intensity, respectively. Individualized time– motion data identified a 41% difference in the high-intensity distance covered between 2 players of the same positional role, whereas the player-independent approach yielded negligible (5–7%) differences in total and high-speed distances covered.Conclusions:The authors recommend that individualized speed thresholds be applied to time–motion-analysis data in synergy with the traditional arbitrary approach.

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