Determining the Prevalence and causes of sport injuries among Iranian Super League Female Volleyball Players 1- Ziba Rahimian mashhad 2-Ahmad Ebrahimi Atri, 3- Seyed Reza Attarzade Hoseiny 1- Master of science student in Ferdowsi University 2- Faculty member of Ferdowsi University 3- Faculty member of Ferdowsi University _________________________ This research was a causative descriptive after incidence with the aim of determining the prevalence and causes of sport injuries among Iranian Super League Female Volleyball Players. For this purpose, 118 female volleyball players (mean age 22/5, mean height 165/292 and mean weight 57/069) who were participating in countries first league of Iran volleyball in 1386 were selected as statistical subjects. They completed sport injuries questioners which its validity was validated by physical education experts and has reliability of 90%. At the end, It has been analyzed the data by using descriptive (proportional frequency percents) statistics and imperative statistics. Results: There were 64.6% tendon-muscles and bone injuries and 1.8% bone injuries. So in the lower extremities joint injuries had 55.6%, 64.7% in the upper extremities skin injuries and 30% in head and face bone injuries with the most proportional frequency. The percent value of proportional frequency injuries was in upper extremities with 35.2% and in lower extremities with 33.8%, in trunk and spine with 25% and in head and face with 5.9%. In this study knee and foot injuries had the highest injuries with 20.7% and head and face had the least proportional frequency percent with 64.7% in compared with low back pain and knee sprain. The most injuries were occurred during the training and were at first 30 to 60 minutes of training with 32.2%. The major cause of injuries was the lack of warming up before training (24.2%) and the least major cause was previous injuries. Key words: Female Volleyball Players, sports injuries, students

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