1. Golmohammadi B, Ph.D. Athlete organized as an educational factor in the process of specific activities [in Persian]: dissertation Moscow the State University physical education; 2006.
2. Kashani Vo, Honarmand P. Psychometric properties of Persian version the self-efficacy for exercise scale for older adults. koomesh Journal. 2017;19(3):565-76. eng 16087046 2017.
3. Khorand M, Bagher Zadeh, F., Ashayeri, H., VaezMousavi, M., Arab Ameri, E. The rhythmic exercises influence on the depth of relaxation of Judo players of the national team. Development and motor learning. 2009;1(1):43-59.
4. Eskandarnejad M. The effects of neurofeedback EEG changes and jumping performance of Slingshotperformance of novice [in Persian]: University shahid Beheshti; 2010.
5. Hardy L, Jones JG, Gould D. Understanding psychological preparation for sport: Theory and practice of elite performers: John Wiley & Sons Inc; 1996.
6. Davis M, and Ashlmn, A., and Maki, M. Capacity mysterious and comforting. 1thed ed: Tehran Ataee Publications; 2002 2008.
7. Jacobsen E. Progressive relaxation. 1929.
8. Bryver B, D. Sport Psychology. 1thed ed: Tehran: Institute of Tehran University Press; 2011.
9. Cervantes Blásquez JC, Rodas Font G, Capdevila Ortís L. Heart-rate variability and precompetitive anxiety in swimmers. Psicothema. 2009;21(4).
10. Anshel MH. Sport psychology: From theory to practice: Pearson Higher Ed; 2011.
11. Kent M. Oxford dictionary of sports science and medicine: Oxford university press; 2006.
12. Greenspan MJ, Feltz DL. Psychological interventions with athletes in competitive situations: A review. The sport psychologist. 1989;3(3):219-36.
13. Pineschi G, Di Pietro A. Anxiety management through psychophysiological techniques: Relaxation and psyching-up in sport. Journal of Sport Psychology in Action. 2013;4(3):181-90.
14. Strack BW. Effect of heart rate variability (hrv) biofeedback on batting performance in baseball: ProQuest Information & Learning; 2003.
15. KHanjaree Y, and Arab-Ameri, A., and Groony, R., and Motesharrei, E., and Hemayattalab, R. The effect of psychological skills training program on mental skills and performance of the national taekwondo team Female teen. Our research and motor behavior. 2012;5:25-34.
16. Mousavi AM, VaezMousavi. Introducing the Sport Success Scale (SSS). International Journal of Sport Studies. 2015;5(11):1218-26.
17. Bracke PE. Progressive muscle relaxation. Corsini Encyclopedia of Psychology. 2010.
18. Rauhala E, Alho H, Hänninen O, Helin P. Relaxation training combined with increased physical activity lowers the psychophysiological activation in community-home boys. International journal of psychophysiology. 1990;10(1):63-8.
19. Jafari A. A preliminary study: psychological preparation program for football players and assess its effectiveness in improving performance [In Persian]: Shahid Beheshti University in Tehran; 2011.