Forecast the accuracy of spike and blocking skills in terms of some physical measurements and physical and motor abilities of volleyball players
Purpose. This study aims to find an equation for accurately predicting the skills of spike skill beating (straight and diagonal), and the blocking skills about specific physical measures physical and kinetic skills of volleyball players. The skill of spike and skill blocking is one of the basic skills in volleyball, whose performance requires high compatibility and balance between physical measurements and physical skills
Material and Methodology. Moreover, monitoring shows that no statistical equation predicts the punch and squeezes talents that hinder the volleyball sector for the age group (14-16). In the youth volleyballers centers in Erbil, the number of players was (75) out of (106) participants (76% of the total population). 25 Players were excluded because they did not complete the test requirements.
Results. The manuscript reached the following results: It was possible to identify the values of some physical measurements and physical and motor abilities affecting the level of accuracy test performance of the skill of spike (straight and diagonal).
And through the logical analysis of the regression of anthropometric indicators and physical and motor abilities
The regression equation for the first indicator was: Ŷ = a + b x
The second indicator is: Ŷ = a + b1 x1 + b2 x2
As for that, the compatibility index is the most contributing variable to the accuracy of the performance of the blocking skill, as its contribution rate was for the first indicator: Ŷ = a + b x
And the second indicator: Ŷ = a + b1 x1 + b2 x2
Conclusions: were a statistically significant correlation between some physical measurements, physical and motor abilities, and the accuracy of the spike skill and the blocking skill (Straight and diagonal) of the research sample. Regression equations were obtained to predict the accuracy of the hit performance (Straight and diagonal) in terms of physical measurements, physical abilities, and kinetics.
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