<p>Present study pays to prioritize influencing factors on investment and muscular analysis in volleyball club in<br />developing countries. The research method is descriptive and practical. Territory of study is spring and summer<br />2015 and statistical population is Iran's national volleyball team. The number of community members is 36 that<br />were selected 36 persons as members with using the census. Two questionnaires were used to collect data. The<br />first questionnaire was used for getting comments of coaches and technical staff and the second questionnaire<br />was used for getting players comments. Validity was approved by athletic and academic experts and reliability<br />was approved with Cronbach alpha coefficient. The rate of questionnaires returns was 100% and the number was<br />36. The results indicate that coaches and technical staff believed that the impact of investment income on the<br />sports club of volleyball is more than the cost effectiveness of it and the players comment is that health is a<br />priority in relation to other criteria.</p>