, 2006). The technique of Trichostatin A (TSA) shooting from higher heights allowed increasing the chance of obtaining a successful ball possession. In particularly, the best players exhibited excellent technical abilities in its use. Also, the goalkeepers do not carry sticks and can use their legs and hands to stop the ball; therefore, the offensive players have to shoot with higher accuracy when trying to score. In fact, the goalkeeper has a great importance in stops efficiency, in particular Prieto and P��rez (2011) found that elite floorball goalkeepers can stop up to 80% shots per game (Prieto and P��rez, 2011). In HIGH vs. LOW game, the increased chance to obtain successful ball possessions was related with the use of longer ball possessions with more participants.

The best teams use more offensive strategies than lower level teams, and this has consequences in creating more shooting situations (Marcelino et al., 2011). Most of the goals in field-hockey occur from repossession obtained out of the goal area from free hits and interceptions (Sunderland et al., 2006). In fact, the best teams may use defensive pressure in attack half court and worst teams have technical and tactical limitations that generate more turnovers. The technique of shooting of backhand and push (forehand drive) reduced the chance to obtain a successful ball possession. In particular, the push technique was more common in defensive players, as it needs more time and space and they usually use this form as a long distance shot (Paavilainen, 2007).

The use of this type of shot does not increase the effectiveness of possessions during organized set plays, this result may reflect that worst teams try to shoot from long distances with this technique. The most effective techniques to score a goal in field hockey are a hit or a deflection, with a reduced percentage of goals scored from a push shot (Sunderland et al., 2006). Conversely, the backhand technique is a difficult skill that needs a higher level of expertise and practice, and is less used by lower level players. The differences of team quality also reflected the influence of defensive pressure. The use of high or intermediate defensive pressure previous to the shot increased ball possession effectiveness. As was argued, the best teams are more prepared technically and tactically and they can solve these defensive situations with higher efficacy.

The Cilengitide low level teams may show less concentration during ball possessions on the open player or the goal when they have high or intermediate defensive pressures, what reduces the effectiveness of last passes and shots. In fact, when field-hockey players were tested in specific game situations, the high level players obtained better performances and used less time to solve the tests than lower level players (Nair and Bunker, 2002). There are different zones of the offensive half court that increased the ball possession effectiveness in LOW vs.