Background: defensive skills consider the most important skills in handball because of the effectiveness in game, and team without good defence is loser team so coaches use a lot of ways to develop the performance in defence whether on the physical or skill side . in defence performance players take certain position make him can change his position and direction easily, but if he can not ,the amount of force exerted go in the direction unwanted and he can not produce the require in performance for with the highest magnitude .balance training can enhance body stability and make good control central of gravity and good power steering during performance. Aim: know the effect of balance training in defensive skills. Methods: experimental study on 10 players on minia sport club team (born in 2004). Data was collected from skills tests and tools of measurement..Results: skill performance is enhanced in post test of research (percentage of change rates was 20.8 % and 26%). Conclusion: Balance works to improve the level of skill performance by controlling the center of gravity of the body and improving the direction of muscle strength.
