摘要:AbstractThis paper presents the main aspects and importance on wich have psychological training, in preparation a handball team, and the positive effect it has on the team performance. Using relaxation method through bio-feedback, with means rigorous chosen and applied, we observe an increase as a sports performances from one year to another.Experiment was conducted over the girls handball team, juniors 16- 17 years, take place during for a period of 2 years competitive.