AU - خليل، علي حامد مرعي AB - The research aims to identify the impact of the use of the special physical exercises skills in the develop of the Dolphin movement, and its effect on the level of technical performance and the achievement in (25M) Breaststroke Swimming. To check the aim of the research, the researcher set the following Hypothesis. There were Differences with moral indication of Dolphin exercises on the level of technical performance and the achievement in (25M) Breaststroke Swimming. The researcher used the experimental method to fit the nature of search. - The research has been performed on a sample of swimmers in the team of Duhok Governorate, and they aged between (11-13) years totaling (10) swimmers and they were divided into Two groups, Experimental and Control groups, the match has been made to the research sample in (Height, Age, Achievement), also the parity between the two research groups has been made in (Technical performance in the Breaststroke swimming, the achievement of 25M of Breaststroke swimming). The researcher concluded the following - There is an impact of the Dolphin exercises on the level of technical and physical performance to the Breaststroke Swimmers. There is a perceptible development on the level of Technical performance of the experimental group compared to control group. The researcher recommended the following: 1) The researcher recommends to use these exercises in the private section in the annual program for swimmers. 2) The researcher recommends to use these exercises in different intensity according to the requirements of the training phase and the aim. (Published abstract) http://search.shamaa.org/abstract_en.gif OP - ص ص. 106-120 T1 - أثر استخدام التمارين البدنية - المهارية الخاصة بالحركة الدولفينية على مستوى الأداء الفني والإنجاز لسباحي 25م صدر [مقال] UL - http://search.shamaa.org/PDF/Articles/IQJssd/JssdVol10No33Y2018/jssd_2018-v10-n33_106-120.pdf النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif