The demands in soccer vary with the level of competition, style of play, position on the field and environmental factors. The exercise pattern can be described as interval and acyclic, with maximal efforts superimposed on a base of low- or moderate-intensity exercise. (Bangsbo, 1993)
Therefore, soccer coaches must continually adapt to the game situation.
The prediction of the final result is quite complex, since it undoubtedly depends on individual and team performance, the chosen tactic, the opponent or simply the success and fortune at key moments of the match, but it is clear that the work of a coach seeking to train what happens in the game will minimize the prediction of the game somewhat or a lot.
In recent years it has been shown that science in the preparation of soccer players can improve both their individual and collective performance. But it is necessary to define the characteristics of each of the subjects involved in the game. (Godick, 1999).
It is therefore logical to think that if science has improved the physical capacity of soccer players, the soccer coach and his coaching staff must ensure that they take advantage of this situation and, from there, ensure the technical, tactical and emotional improvement of their players.
Today's soccer players must be prepared for very high work demands in training, not only from variables such as volume and intensity, but also from the complexity of the game, which means the solution of different tactical and strategic situations, which respond to the diversity of a changing game of soccer. The current football hand in hand with technology and have made the player to develop in a more efficient way, understanding and interpreting the different training models, adapting to diversity from the tactical, physical and moving in the competitive market. .
In order to carry out an appropriate intervention in any training model, it is necessary to know what the physical, physiological or energetic demands of the activity required are, in this case football. Only from this prior knowledge can adequate training programs be established to optimize or regularize the specific conditional qualities that determine the success of the game.