Shahram Azimi, Hamid Foroghi Poor, Reza Saboonchi, Mahmood Godarzi and Parastoo Rezaee
This study is done on the effect of mental exercises on table tennis, male athletes in 13-18 in Kermanshah the goal of study is to assign the role of mental exercise on the skill of under spinned – back hand service among the tale tennis athletes. The statistical society includes all of male, table tennis athletes in 13 to 18 in Kermanshah, they were 242, and they had at least once attended in the competitions. 32 people were randomly chosen, and they also randomly classified in two groups including: control group (16 persons) and experience group (16 persons). At first, they had taken in the primary exams, and then the control group attended in practical exercise (technical) the experience group taked the primary, mental exams. After passing 12 sessions of exercise, they attended in the final exams. Methodology is semi-experimental. We choose the independent t-exam in order to analyize data.the dependent texam relates to mono-lateral variance analyses (ANOVA). The results show that there is no meaningful difference between the middle of pre-test and post-test in the control group. The same result is in the middle of post-test in the control group according to screwed, under-spine-back hand service.