AU - نصيف، محسن علي AB - The aim of the research is to compare the results of 2nd class football referees with 3rd class football referees in physical fitness test Yo-Yo test. In addition to that the researcher aimed at finding the differences in distances covered in Yo-Yo tests. The subjects were (15) 2nd class football referee and (15) 3rd class football referees. The researcher concluded that there are weaknesses in speed stamina especially in 3rd class football referees. (Published abstract) http://search.shamaa.org/abstract_en.gif OP - ص ص. 77-88 T1 - دراسة مقارنة بين نتائج بعض حكام كرة القدم الدرجتين الثانية والثالثة باختبارات يو-يو تيست للياقة البدنية Yo-Yo test [مقال] UL - https://www.iasj.net/iasj/article/162029 النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif