تغييرات مركز فشار بدن در اجراي شوت جفت موفق و ناموفق در مردان بسكتباليست‌

The body center ofpressure changes in successful and unsuccessfuljump shot in elite men basketball player

Identifying effective factors in successful jump shot, as most scoring and frequently used shot in basketball would play important role in increasing the quantitative and qualitative level of the athleteʹs performances. The purpose of the present study was to determine the relationship between a few kinetic parameters at four positions of preparation, take off, release and landing with the result of jump shot in 4/25 and 6/25 meter distances among the male elite basketball players. Six best right-hand shooters "from Iranian national team, with average age of (23/3±3/04 years), height of (189/67±2/2 cm) and weight of (84±5/58 kg), having playing history (10±2/5 years) participated in this study. The data gathered while the players shoot the ball from stationary position in perpendicular to the board from 4/25 and 6/25 meters distances. without dribbling, while the subjectsʹ performance was done on force plate. Win software used to analysis one success and one unsuccessful shoot. The comparison done between the mean and standard deviation of the center of pressure locations at four situations named readiness (T1), crookedness (T2), peak jump (T3) and falling (T4) in x and y axes during two successful and unsuccessful jump shoots. Vilcocsonʹs statistical model (p