دراسة تحليلية لطول و زمن الخطوة و علاقتهما في سرعة رد الفعل في مهارة الدفاع ضد رمية 7 متر لحراس المرمى بكرة اليد : بحث مستل على عينة من المركز الوطني لرعاية الموهبة الرياضية بكرة اليد

Abstract EN

First Gate : Characterized by the goalkeeper from the rest of the team Kono last defender to team members in addition to the impact Kabaraly outcome of the match for his team against Al_khasm.alammer which make it play a key and important role in the achievement of an advanced and good results for the team.

The presence of goalkeeper good help to give confidence to the players, which require attention in the selection of the player who occupies the center.

Since the reaction speed is a privileged position for goalkeeper hand reel and by watching this game and do in sports halls closed noticed researcher lack of research to deal with the mechanical analysis of the goalkeepers and this Madey researcher to analytical Bunting to the length of the time step and their relationship in the reaction speed in the defense against 7-meter throw for goalkeepers handball.

Research is aimed to 1-Analysis ofthe length ofthetimestep.

2-to identify therelationshipbetween the length ofher timeandmovequicklyinreactionDefenseskillagainst7-meter throwforgoalkeepershandball.

The supposed the following in order to make sure of thereasearch: 1-there is no relation betweenstride lengthand speed ofreactiontothe goalkeeperhandball.

2-there is no relation with time and reaction speed.

As for the oritical studies the research mentional many section concerned with motional analysis the rcaetion speed and goalkeeper.

The research followed the following steps to carry up the aims of the research: -the descriplive method has been used.

-The samplercpresented by the goalkeepers of the national centre.

-they have take picture during thedefence against 7 meter.

-The use of appropriatestatisticalmethodsfor the purpose ofdata processing.

After viewing thefindings of theresearcherandanalyzed and discussedit was reachedseveral conclusionsfromthe most important: 1-No significantcorrelationbetweenstride lengthand speed ofreactiontothe goalkeeperhandball.

2-There were no significantcorrelationbetween thetimestepandreaction speedgoalkeeperhandball.

Conclusions: 1-The needto emphasize theplayerswho are characterized byhigh speedreactionanda time ofa few.

2-Benefit from theresults of this researchin theselection and training ofthe rest of thehandball players.