Using Match Rolling Average Periods to Adjust the Conditional Exertion of Soccer Players During Small-Sided Games
Journal Title: Biomedical Journal of Scientific & Technical Research (BJSTR) - Year 2018, Vol 8, Issue 1
Abstract
Soccer is an intermittent sport in which actions performed at high speeds [1,2] take place with other efforts that demand high- intensity accelerations and decelerations [3,4], interspersed with low-intensity activities [5] or variable recovery pauses [6]. One concern in the field of training is determining whether the demands of the competition are replicated during training drills. At present, soccer coaches often use in their training programs drills such as small-sided games (SSG) to reproduce the physical, technical and tactical requirements of the competition [7]. These drills should be designed to expose the player to the intensity and load values reached during matches, since performance could be further improved when the training stimuli simulate the physiological demands and movement patterns of competitive matches [8]. Previous investigations have analysed the differences between the physical demands of competitive matches and different SSG proposals [9,10]. The results of these studies concluded that although the SSGs have the potential to expose players to an average intensity similar to that of the competition (relative distance, meters per minute), the high-speed demands reached during matches are usually greater than in SSGs [9]. However, it seems that the accelerative demands could be higher during the SSG [10]. One criticism that can be made of this type of analysis is that we are comparing the average values of drills, usually lasting between two and ten minutes, with the average values reached by players in 90 minutes of competition. This comparison seems questionable, especially when, on numerous occasions, these drills are designed with the aim of exposing players to a training stimulus of intensity similar to the most demanding conditional exertion phases of the competition.On the other hand, it is important to define which signals or intensity signals should be used to adequately identify the intermittency of the activity carried out, determined by the alternation of actions and pauses and their main characteristics of intensity, duration and type of activity [11]. In this sense, over the past few years researchers have proposed monitoring the heart rate, speed, acceleration and even lately the metabolic power, as the intensity signals reflecting each of them different characteristics of the analysed activity. New proposals that help to overcome the limitations inherent in using the above metrics, however, are going to appear, including mechanical power, accelerometry, electromyography, EMG or others. Logically, using one or more intensity signals will condition the results of the analysis on the conditional exertion demonstrated in the different temporary windows used.
Authors and Affiliations
Miguel Angel Campos Vazquez, Manuel Lapuente Sagarra
Keywords
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- EP ID EP590508
- DOI 10.26717/BJSTR.2018.08.001583
- Views 324
- Downloads 0
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