The study was conducted with the objectives of assessing the major causes of physiological andrnpsychological injuries of project athletes. The study employed descriptive research method. Thernsubjects of this study were 6 coaches, 92 athletes and 2 sport experts of City administration ofrnAddis Ababa youth and sport Bureau. Random sampling method was employed to select thernsubjects. The data have been gathered through questionnaire, interviews and observation. Therndata have been analyzed using description research method through the help of StatisticalrnPackage for Social Sciences (SPSS version 20.0).Frequency and percentage distribution in thernform of table was used to present and discus the data.rnFindings indicated that, lack of enough modern sports wears, over loaded training, facilities andrnequipment, lack of enough warming up exercise prior to the main training session, insufficientrnwater drinking, inappropriate training area and lack of individualized training were the majorrncauses of physiological injuries. Athletes were facing different physiological injuries speciallyrnthigh and hamstring muscle pains, ankle injuries, knee pain and calf and heel pain were the mostrncommonly injuries happened to project athletes,rnLack of treatment, feel of depression, lack of self confidence, being stressed and tense, Eatingrndisturbances (more or less than usual) , Sleep disturbances (more or less than usual), Lowrnenergy , unexplained pain, Depression, spontaneous crying, despair and hopelessness, Anxiety,rnPanic attacks, Fearfulness, Compulsive and obsessive behaviors, Feeling out of control,rnIrritability, angry and resentment, Emotional numbness, Withdrawal from normal routine andrnrelationships ,Difficulty making decisions, Decreased ability to concentrate, Feeling distractedrnwere seen as symptoms of psychological injuries commonly associated with the project athletes.