التحليل الكينماتيكي للإزاحة المفقودة أثناء سباحة الفراشة الى الإمام لمسافة (25 متر)‎

الملخص EN

Recognizing the amount of the negative displacement of the swimmer body to backward by the pressure drag and its effect on the performance in the 25m Butterfly swimming.

The descriptive method was used.

The sample included (4) swimmers of the senior group of Nineveh team.

The technical scientific observation, analysis and measurements were used as means to collect the data to option some of Bio kinematics variables values.

To achieve the technical scientific observation accurately, The videography was used.

The study included a number of Bio kinematics variables, The researcher concluded some conclusions related to some kinematics variables, The researcher recommended some recommendations to be utilized in the learning and coaching to get the best performance.