![]() Commonly, external load measures are power output, distances, speeds, accelerations/decelerations, time-motion analysis, and neuromuscular function. The external load can be monitored by global positioning systems (GPS) tracking systems, micro-electromechanical systems (MEMS), local position measurement (LPM), and computerized-video systems. The external load is defined as the performed work during training sessions or competition, regardless of the internal characteristics. The training load can be split up into external (physical) and internal (physiological) load, providing insights about dose-response. The training load has been defined as an input variable for training outcomes, allowing to control training session demands in real time and after each training sessions. Football training programs may improve aerobic and anaerobic fitness these adaptations should be monitored and controlled periodically. Researchers and practitioners aim to promote favorable performance outcomes and an adequate recovery for match demands. The training process requires a systematic and periodized application to ensure optimal adaptations to physiological responses and biochemical stresses. Knowing about the match physical and physiological demands allows to carry out the training mode. The literature has focused mainly on professional men future research should be on the youth and female accumulated training/match load monitoring.įootball is a team sport characterized by intermittent efforts, combining high-speeds and intensity with low-intensity periods. The magnitude of loading variation seems to be influenced by the type of week, player’s starting status, playing positions, age group, training mode and contextual variables. (4) Conclusions: The weekly microcycle presented a high loading variation and a limited variation across a competitive season. Additionally, the internal load measures were reported with perceived exertion ( n = 16) heart-rate-based measures were reported in twelve studies ( n = 12). ![]() External load measures were quantified with distance and covered distance in different speed zones ( n = 27), acceleration and deceleration ( n = 13) thresholds, accelerometer metrics ( n = 11), metabolic power output ( n = 4), and ratios/scores ( n = 6). The reviewed articles were based on short-telemetry systems ( n = 12), global positioning tracking systems ( n = 25), local position measurement systems ( n = 3), and multiple-camera systems ( n = 3). Eleven of the included articles analyzed weekly training load distribution fourteen, the weekly training load and match load distribution and eleven were about internal and external load relationships during training. ![]() After screening, 36 full-text articles met the inclusion criteria and were reviewed. (3) Results: The literature search returned 7972 articles (WoS = 1204 Pub-Med = 869, SCOPUS = 5083, and SportDiscus = 816). The search included descriptors relevant to football, training load, and periodization. (2) Methods: Following the preferred reporting item for systematic reviews and meta-analyses (PRISMA), a systematic search of relevant English-language articles was performed from earliest record to March 2020. However, there are no systematic reviews about accumulated training and match load in football. (1) Background: Training load monitoring has become a relevant research-practice gap to control training and match demands in team sports. ![]()
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