Through an experience of researchers in the area of game Badminton biomechanics, they found a vulnerable for the squad Diyala University badminton in accuracy of and directing crushing blow, is illustrated by through an ease of response to the overwhelming blow faced by the our players, and in the areas be close on the opponent and in places of is inaccurate, plus other fitness requirements, , And the goal is identify some variables points Kinematic body noted by the crushing performance the beating skill, And also to identify the relationship between some variables AlKinematic accurately crushing the beating performance. The of researchers adopted on the descriptive approach and great number of players four, statistical data was processed on system (SPSS), The most important conclusions is a relationship were not significant correlation between some variables AlKinematic and accuracy crushing blow and of higher body mass center of moment beating, hat variable angle Milan trunk, significant impact on increasing the speed the racket peripheral speed badminton.

The biomechanics is an important science in the physical education, thereby sports analyzed and thereafter correct the technical errors. Gymnastics is more related with biomechanics than other sports, this science contribute in the analysis, illustration, understanding, and improvement of sports technique. This study aimed to identify the effectiveness of theoretical information on the Platform Jumps (Vault) Performance, and to identify the difference of the performance level between pre-test and post-test. This research hypothesized significant differences in each of the theoretical biomechanics information in open jump on the platform jumps (Vault) performance between pre-test and post-test. An experiment used quasi experimental design, the population included 40 female undergraduate students in the physical education college, University of Diyala- Iraq during 2012-2013 divided into equal two groups. The biomechanics theoretical information that given to the students impacted on their skill and performance positively. Increase the level of Gymnastics performance of open jump on the platform for the female students.