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. 2022 Nov 14;10:e14381. doi: 10.7717/peerj.14381

Table 6. Methodological approaches of included articles.

Referente (year) Study purpose Experimental approach Methodological procedures Data collection (Device specification) Statistical and mathematical analysis
Match-play Training set Game format Physical/
physiological
Positional/
tactical
Other dimensions
Baptista et al. (2020) Identified the effects of playing formations on tactical behaviour and external workload during SSG. SSG GK + 7 vs 7 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) Non-differential 5 Hz GPS (ND) Cohen’s d
SWC
MBI
ApEn
Voronoi algorithme
Canton et al. (2021) Identified how positioning the goals in diagonal configurations on the pitch modifies the external training load and the tactical behaviour during SSG. SSG GK + 5 vs 5 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA)
Lince software® (Gabin et al., 2012),
10 Hz GPS units (WIMU PRO, RealTrack Systems, Almeria, Spain) Cohen’s d
SWC
MBI
NHST
Coutinho et al. (2017) Examined the effects of mental fatigue and additional corridor and pitch sector lines on players’ physical and tactical performances during SSG. SSG GK + 6 vs 6 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) CR10-scale (RPE)
Portable optical timing system (Optojump, Microgate, Bolzano, Italy)
15 Hz GPS (SPIPRO, GPSports, Canberra, ACT, Australia)
Cohen’s d
SWC
NHST
Coutinho et al. (2019b) Identified the effects of adding spatial references during SSG on players’ tactical and physical performance. SSG GK + 6 vs 6 +GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-PRO, GPSports, Canberra, ACT, Australia) CV
ApEn
MBI
NHST
Coutinho et al. (2019a) Identified the effects of different pitch configurations on players’ positional and physical performance. SSG GK + 5 vs 5 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-PRO, GPSports, Canberra, ACT, Australia) CV
ApEn
MBI
NHST
Coutinho et al. (2020) Compared players’ performances when manipulating the external markings of the pitch during SSG. SSG GK + 5 vs 5 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA)
LongoMatch software (Longomatch, version 1.3.7., Fluendo)
5 Hz GPS (SPI-PRO, GPSports, Canberra, ACT, Australia)
Digital video camera (Sony NV-GS230)
CV
ApEn
MBI
NHST
Coutinho et al. (2022b) Explored how the number of allowed ball touches per player possession affected the performance of different age groups during SSG. SSG GK + 6 vs 6 +GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA)
LongoMatch software (Longomatch, version 1.3.7., Fluendo
5 Hz GPS (SPI-PRO, GPSports, Canberra, ACT, Australia) Cohen’s d
SWC
NHST
Hilbert transform
Coutinho et al. (2022c) Aimed to identify the effects of playing with additional individual, collective or individual-collective variability on players’ performance during SSG. SSG GK + 6 vs 6 +GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA)
LongoMatch software (Longomatch, version 1.3.7., Fluendo
5 Hz GPS (SPI-PRO, GPSports, Canberra, ACT, Australia) Cohen’s d
NHST
Hilbert transform
Coutinho et al. (2022a) Explored how manipulating the colour of training vests affects footballers’ individual and collective performance during SSG. SSG GK + 6 vs 6 +GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA)
LongoMatch software (Longomatch, version 1.3.7., Fluendo
5 Hz GPS (SPI-PRO, GPSports, Canberra, ACT, Australia) Cohen’s d
NHST
Hilbert transform
Ferraz et al. (2020) Identified how the manipulation of knowledge regarding a training task duration constrains the pacing and tactical behaviour in SSG. SSG GK + 5 vs 5 + GK ND 5 Hz GPS (SPI-Pro X II, GPS ports, Canberra, ACT, and Australia) ApEn
MBI
Figueira et al. (2018) Compared footballers’ performances when playing with teammates and opponents from the same or different age groups GK + 11 vs 11 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-Pro X II, GPS ports, Canberra, ACT, and Australia) CV
ApEn
MBI
Folgado et al. (2015) Examined the physical and tactical performances under congested and non-congested fixture periods GK + 11 vs 11 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) Semiautomatic tracking system (Prozone®, ProZone Holdings Ltd, Leeds, UK). CHAID
Cohen’s d
NHST
Hilbert transform
Folgado, Gonçalves & Sampaio (2018) Identified changes in tactical, physical and physiological performances in LSG during the preseason. LSG GK + 8 vs. 8 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-Pro X II, GPS ports, Canberra, ACT, and Australia) NHST
Cohen’s d
Folgado et al. (2019) Compared players’ performance during two SSG with different pitch orientation (i.e., 40 × 30 m vs. 30 × 40 m). SSG GK + 4 vs 4 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 10 Hz GPS (MinimaxX S5; Catapult Innovations, Docklands, Australia).
Digital Vídeo Camera (Canon PowerShot SX720 HS; Canon Inc, Tokyo, Japan),
ICC
SEM
Cohen’s d
SWC
MBI
Gonçalves et al. (2014) Identified differences in time–motion, modified training impulse, body load and movement behaviour between defenders, midfielders and forwards, during an 11-a-side simulated football game. GK + 11 vs 11 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-Pro X II, GPS ports, Canberra, ACT, and Australia)
1 Hz short-range radio telemetry (Polar Team Sports System, Polar Electro Oy, Finland)
Hilbert transform
ApEn
NHST
Gonçalves et al. (2017) Identified how pitch area restrictions affect the players’ tactical behavior, physical, and physiological performances during LSG. LSG GK + 9 vs. 9 + GK GK+ 10 vs. 10 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-Pro X II, GPS ports, Canberra, ACT, and Australia)
1 Hz short-range radio telemetry (Polar Team Sports System, Polar Electro Oy, Finland)
Hilbert transform
CV
ApEn
Cohen’s d
SWC
MBI
Gonçalves et al. (2018a) Examined the changes in the players’ speed synchronization and physical performance between the first and the second half (15-min time). Explored the match-to-match variation of players’ speed synchronization performance. GK + 11 vs 11 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) Match Analysis Camera System®. Hilbert transform
CV
Cohen’s d
SWC
MBI
Jara et al. (2019) Analyzed how the modification of the pitch size in SSGs affects the GK’s physical demands. SSG
MSG
LSG
ND MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 18.18 Hz GPS (GPEXE GK, Exelio SRL, Udine, Italy) Cohen’s d
MBI
NHST
Machado et al. (2022) Investigated how different strategies of task constraint manipulation impact physical and tactical demands in small-sided and conditioned games (SSCG) SSG GK + 4 vs 4 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) and SPROTM (RealTrack System, Almería, Spain) 10 Hz GPS and inertial devices (WIMU ProTM and GPS, RealTrack System, Almería, Spain) Effect size (ND)
NHST
Nieto et al. (2022) Described the effects on player’s collective behaviour and physical response in three different pitch lengths (100, 75 and 50 m) keeping the width constant (60 m) LSG GK + 11 vs 11 + GK Microsoft Excel Visual Basic for Applications (VBA) (Microsoft,
Redmond, WA, USA)
10 Hz GPS (MinimaxX S5, Catapult Innovations) Cohen’s d
MBI
NHST
SampEn
Olthof, Frencken & Lemmink (2018) Investigated SSGs with a traditional small pitch and a match-derived relative pitch area in youth elite soccer players. SSG GK + 4 vs 4 + GK
GK + 11 vs 11 + GK
MATLAB® routines (MathWorks, Inc., Natick, MA, USA) Two HD video dome cameras (Bosch GmbH., Stuttgart, Germany) and one or two high resolution digital cameras (Canon HF100, Canon Inc., Tokyo, Japan; JVC Everio, JVC Kenwood Corporation, Kanagawa, Japan).
LPM system (Inmotio Object Tracking BV., Amsterdam, The Netherlands)
NHST
Effect sized eta-squared (η2p)
Praça et al. (2016) Compared the collective tactical behavior between numerically balanced and unbalanced SSG. SSG 3 vs 3
3 vs 3 + 2
4 vs 3
MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 15 Hz GPS (model SPI-Pro X2; GPSports, Canberra, Australia) NHST
Effect sized eta-squared (η2p)
Praça et al. (2021) Analysed the effects of changing the match venue on match-related player’s physiological, physical, and tactical responses with an age-dependent. GK + 11 vs 11 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 10 Hz GPS device, with an embedded 200 Hz accelerometer and 1 Hz heart rate monitor (Polar®, Team Pro, Kempele, Finland). NHST
Effect sized eta-squared (η2p)
(Ric et al., 2016a) Identified the dynamics of tactical behaviour emerging on different timescales in SSG. Quantified short- and long-term exploratory behaviour according to the number of opponents. SSG GK + 4 vs 3 + GK
GK + 4 vs 5 + GK
GK + 4 vs 7 + GK
MATLAB® routines (MathWorks, Inc., Natick, MA, USA)
Lince software® (Gabin et al., 2012)
Digital video camera for video recording and analysed an ad hoc instrument being used to notate tactical actions (Costa et al., 2011)
15 Hz GPS (SPI-ProX, GPS ports, Canberra, ACT, and Australia)
Dynamic overlap <qd(t)>
Trapping strength
Boltzmann–Gibbs–Shannon entropy
NHST
Cohen’s d
(Ric et al., 2017) Identified how players’ spatial restrictions affected the exploratory tactical behaviour and constrained the perceptual-motor workspace in ball possession and the inter-player passing interactions. ND GK + 10 vs 9 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-Pro X II; GPS ports, Canberra, ACT, and Australia) Dynamic overlap <qd(t)>
(Sampaio et al., 2014) Compared and discriminate the time-motion variables, heart rate and players’ tactical behaviour according to game pace, status and team unbalance. SSG GK + 5 vs 5 + GK MATLAB® routines (MathWorks, Inc., Natick, MA, USA) 5 Hz GPS (SPI-Pro X II; GPS ports, Canberra, ACT, and Australia) NHST
SC

Note:

Abbreviations: <qd(t)> – Dynamic overlap; ApEn – Approximate entropy; CHAID – Chi-squared automatic interaction detection; Cohen’s d – Standardized (Cohen) differences; CV – Coefficient of variation; GK – Goalkeeper; ICC – Intraclass correlation; LSG – Large-sided games; MBI – Magnitude-based inferences; MSG – Medium-sided games; ND – Not described; NHST – Null hypothesis statistical test; η2p – Effect sized eta-squared; SampEn – Sample Entropy; SC – Structural coefficients; SEM – Standard error of measurement; SSG – Small-sided games; SWC – Smallest worthwhile changes; USA – United States; VSA – Visual Basic for Applications.