Relationship Between External and Internal Loads of Professional Soccer Players During Full Matches in Official Games Using Global Positioning Systems and Heart-Rate Technology

Torreño, Nacho; Munguía‐Izquierdo, Diego; Coutts, Aaron J.; Villarreal, Eduardo Sáez de; Asián-Clemente, Jose; Suárez-Arrones, Luis

doi:10.1123/ijspp.2015-0252

Cited by 64 publications

(78 citation statements)

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“…Specifically, changes in internal load with respect to a standard external load may be used to infer on an athletes fitness or fatigue over time or in comparison to their peers [14]. The simplicity of using an external:internal load ratio to provide a normalised metric that may be indicative of fitness or fatigue is conceptually appealing [83,[96][97][98][99] [103,104] that is inherent to training and competition in team sports [33,51]. For the retrospective analyses of larger datasets, we again recommend that ratios are avoided and that practitioners seek to explore their data through more appropriate means.…”

Section: Discussionmentioning

confidence: 99%

The Relationships Between Internal and External Measures of Training Load and Intensity in Team Sports: A Meta-Analysis

et al. 2017

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Section: Discussionmentioning

confidence: 99%

The Relationships Between Internal and External Measures of Training Load and Intensity in Team Sports: A Meta-Analysis

et al. 2017

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“…The high physical demand required on high-level soccer has been previously demonstrated [1][2][3] ; indeed, the actions during a game involve running in different intensity levels, repeated changes of direction, tackles and jumps with short recovery time. Therefore, a big concern of team staff and researchers is to find tools that exactly represents the physical requirement of the game and how to control the training loads over the season 4,5 .…”

Section: Introductionmentioning

confidence: 99%

“…Studies have pointed that the external load during the games is different between the positions, with midfielders covering higher total distance and players who work by the sides of the field covering greater distances in high intensity 2,5 . In contrast, to our knowledge, there are no studies elucidating the internal load and, mainly, the recovery status by playing position.…”

Section: Introductionmentioning

confidence: 99%

Comparisons of recovery, external and internal load by playing position and match outcome in professional soccer

Conde

Alves

Novack

et al. 2018

Motriz: rev. educ. fis.

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Aimsː To compare the internal and external load and the recovery by playing position and the match outcome (wins, losses or draws) in professional soccer. Methodsː Twenty-three male professional soccer athletes from a team of the first division of the Brazilian Championship took part into the study (age 26.1 ± 3.8 years old, weight 77.5 ± 5.0 kg, height 177.6 ± 5.1 cm). During the games, athletes were monitored by GPS and the variables of external loads were taken. Additionally, the session rating of perceived exertion (session RPE) and the perceived recovery scale (PRS) were collected 30 minutes and 40h after the end of the matches, respectively. Resultsː The external load was greater on fullbacks and defense midfielders (p<0.05). The fullbacks cover higher total distances compared to attackers, and, compared to all the others positions, they have more stimuli > 20 km/h, covering higher distances >20 km/h; these stimuli makes them to perceive less recovered than defenders, defense and attack midfielders (p<0.05). Moreover, the defenders are those who cover lower distances by the minute and the defense midfielders are those who present the lower Peak Velocity (p<0.05). There were no significant differences between GPS variables, internal load and recovery. In addition, it was found a correlation between the external and the internal load (r=0.66; p=0.001). Conclusionsː The GPS variables and the perceived recovery are influenced by the playing position, but not by the match outcome.

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“…It is now a wellestablished method of monitoring external training load in a range of sports (Casamichana et al, 2013;Aughey, 2010;Aughey, 2011;Brewer, Dawson, Heasman, Stewart, & Cormack, 2010;Duffield, Reid, Baker, & Spratford, 2010;Jennings, Cormack, Coutts, Boyd, & Aughey, 2012). The aforementioned recent changes to FIFA regulations have seen a growing number of studies using GPS devices to also track the demands of match play (see for example Suarez Arrones et al, 2015;Torreño et al, 2016). Despite these studies, some concerns exist surrounding the accuracy of wearable GPS technology (Rampinini et al, 2015;Bucheit et al, 2014), although it is now in widespread use in soccer clubs in the UK and around the world.…”

Section: Literature Reviewmentioning

confidence: 99%

Wearable GPS Devices in a British Elite Soccer Academy Setting: A Foucauldian Disciplinary Analysis Of Player Development And Experience

Jones¹

2019

JADE

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Conventional wisdom dictates that the use of GPS surveillance technology in sport to assist athletic performance is an overwhelmingly positive phenomenon. Specifically, the health and performance benefits of the application of GPS and surveillance technologies have been well documented across a range of field sports. Previous research into the developmental implications of GPS surveillance in professional rugby league (Jones, Marshall, & Denison, 2016) has identified that there are some significant unintended consequences of their use for elite athletes. We utilised the disciplinary analysis of Foucault to investigate the experiences of academy soccer players in relation to wearable GPS technology. Five academy players took part in semi-structured group interviews as part of a wider study into the effects of surveillance technologies within an academy setting. We suggest that the now normalised and increasingly ubiquitous use of GPS surveillance technology within this particular British soccer academy is seen as relatively insignificant by its players. However, we also report that GPS use does act to impose discipline on academy players and may well have unforeseen and potentially problematic implications for academy players' development experience.

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Relationship Between External and Internal Loads of Professional Soccer Players During Full Matches in Official Games Using Global Positioning Systems and Heart-Rate Technology

Cited by 64 publications

References 0 publications

The Relationships Between Internal and External Measures of Training Load and Intensity in Team Sports: A Meta-Analysis

The Relationships Between Internal and External Measures of Training Load and Intensity in Team Sports: A Meta-Analysis

Comparisons of recovery, external and internal load by playing position and match outcome in professional soccer

Wearable GPS Devices in a British Elite Soccer Academy Setting: A Foucauldian Disciplinary Analysis Of Player Development And Experience

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