القياسات الأنثربومترية للأطراف السفلية وعلاقتها ببعض المتغيرات البايوكينماتيكية لمرحلة النهوض والإنجاز الرقمي للناشئين في الوثب الطويل

الملخص EN

Biomechanical variables are the most important factors affecting on the requirements of motor performance for many events and competitions, The aim of this study is to find out the relationship between some anthropometric measurements and the kinematical variables of take-off and achievement, To Achieve this aim the researchers used the descriptive method with correlative relationships considering that the nature of subject imposes The method in the research , the sample was selected intentionaly, which included (05) youth long jumpers to club wak()khmiss melyana), Who are between the ages of (12-15) years old, To acquire kinematical data we used one camera ( sony-30 frames per second) , after the motion analysis of all the attempts depending on the program of kinovea (0.8.15) , As regards to statistical analysis , the researchers used the SPSS program , the results of study proved that : *There is a correlation between some anthropometric measurements of the lower limbs and kinematical variables of take-off.

*There is a correlation between some anthropometric measurements of the lower limbs and the achievement of youth (12-15 years) in the long jump.