الأرسال الساحق بكرة الطائرة و علاقتها بمستوى الإنجاز لدى طلبة المرحلة الإعدادية

الملخص EN

The researcher used the descriptive approach to suit the nature and problem of the research.

The research aimed to find out the relationship between (some physical abilities to the level of achievement of the smash serving skill).

The research studied the explosive power of the muscles of the legs and some basic parts for the implementation of serving skill in a volleyball.

As for the researcher hypothesized that there was a statistically significant relationship between the research variables.

The research was conducted on a sample of (20) players among intermediate school teams in volleyball.

After the tests were carried out, they were treated statistically using the laws of (arithmetic mean - standard deviation - coefficient of correlation between each of the explosive strength of the muscles of the lower limbs with some parts of the smash serving .The researcher concluded to the emergence of a statistically significant correlation in all the variables of the research .

Finally, the researcher recommended : 1.The necessity of using the scientific method in training the explosive force and raising a program to strengthen the physical fitness in line with the level of the top teams and knowledge of their development.

2.Conducting a similar study looking for the relationship of the explosive force of the upper limbs and the muscles of the trunk in addition to the muscles of the lower limbs to find out the relationship of those muscles and their effect on the skill of the smash serving .