1. Wilmore J H, Costill D L. Physiology of sport and exercise. Human Kinetics Publishers; 1994.
                                                                                                    2. Bland J M, Altman D G. Agreement between methods of measurement with multiple observations per individual. Journal of Biopharmaceutical Statistics. 2007; 17(4): 571-82.
                                                                                                    3. Scharhag-Rosenberger F, Meyer T, Gayler N, Faude O, Kindermann W. Exercise at given percentages of VO2max: Heterogeneous metabolic responses between individuals. Journal of Science and Medicine in Sport. 2010; 13(1): 74-9.
                                                                                                    4. American College of Sports Medicine. Guidelines for graded exercise testing and training. Philadelphia: Lea & Febiger; 1991.
                                                                                                    5. Lang P B, Latin R W, Berg K E, Mellion M B. The accuracy of the ACSM cycle ergometry equation. Medicine and Science in Sports and Exercise. 1992; 24(2): 272-6.
                                                                                                    6. Latin R W, Berg K E, Smith P, Tolle R, Woodby-Brown S. Validation of a cycle ergometry equation for predicting steady-rate VO2. Medicine and Science in Sports and Exercise. 1993; 25(8): 970-4.
                                                                                                    7. United States Department of Health. Physical activity and health: A report of the surgeon general. Atlanta: Diane Publishing; 1996.
                                                                                                    8. Hall C, Figueroa A, Fernhall B, Kanaley J A. Energy expenditure of walking and running: Comparison with prediction equations. Medicine and Science in Sports and Exercise. 2004; 36(12): 2128-34.
                                                                                                    9. Bassett Jr D R, Giese M D, Nagle F J, Ward A, Raab D M, Balke B. Aerobic requirements of overground versus treadmill running. Medicine and Science in Sports and Exercise. 1985; 17(4): 477-81.
                                                                                                    10. Ruiz A, Sherman N W. An evaluation of the accuracy of the American College of Sports Medicine metabolic equation for estimating the oxygen cost of running. The Journal of Strength & Conditioning Research. 1999; 13(3): 219-23.
                                                                                                    11. Magrani P, Pompeu F. Equations for predicting aerobic power (VO2) of young Brazilian adults. Arquivos Brasileiros de Cardiologia. 2010; 94(6): 763-70.
                                                                                                    12. Greene N P, Greene E S, Carbuhn A F, Green J S, Crouse S F. VO2 prediction and cardiorespiratory responses during underwater treadmill exercise. Research Quarterly for Exercise and Sport. 2011; 82(2): 264-273.
                                                                                                    13. Hadley S. Validation of VO2 prediction equations in aquatic treadmill (ATM) exercise; 
Utah State University. 2012.
                                                                                                     14. Figueroa M A, Wicke J, Manning J, Escamilla P, Santillo N, Wolkstein J, et al. Validation of ACSM metabolic equations in an anti-gravity environment: A pilot study. International Journal of Applied Physiology. 2012; 2(7): 37-45.
                                                                                                    15. Hallal P C, Andersen L B, Bull F C, Guthold R, Haskell W, Ekelund U, et al. Global physical activity levels: Surveillance progress, pitfalls, and prospects. The Lancet. 2012; 380(9838): 247-57.
                                                                                                    16. Siahkouhian M, Hedayatneja M. Correlations of anthropometric and body composition variables with the performance of young elite weightlifters. Journal of Human Kinetics. 2010; 25: 125-31.
                                                                                                    17. Siahkouhian M, Meamarbashi A. Advanced methodological approach in determination of the heart rate deflection point: S. Dmax versus L. Dmax methods. The Journal of Sports Medicine and Physical Fitness. 2013; 53(1): 27-33.
                                                                                                    18. Hofmann P, Von Duvillard S P, Seibert J, Pokan R, Wonisch M, Lemura L M, et al. Heart rate performance curve deflection. Medicine and Science in Sports and Exercise. 2001; 33(10): 1726-37.
                                                                                                    19. Siahkouhian M, Hedayatneja M. Correlations of anthropometric and body composition variables with the performance of young elite weightlifters. Journal of Human Kinetics. 2010; 25: 125-31.
                                                                                                    20. Portney L G, Watkins M P. Foundations of clinical research: Applications to practice. Prentice Hall: Upper Saddle River; 2015.
                                                                                                    21. Eston R, Williams J G, Faulkner J. Control of exercise intensity using heart rate, perceived exertion and other non-invasive procedures. Kinanthropometry and exercise physiology laboratory manual: Tests, procedures and data: Physiology. 3rd ed. London: Routledge; 2009. P. 237-71.
                                                                                                    22. Koutlianos N, Dimitros E, Metaxas T, Cansiz M, Deligiannis A, Kouidi E. Indirect estimation of VO2max in athletes by ACSM’s equation: Valid or not? Hippokratia. 2013; 17(2): 136.
                                                                                                    23. George J D, Bradshaw D I, Hyde A, Vehrs P R, Hager R L, Yanowitz F G. A maximal graded exercise test to accurately predict VO2max in 18–65-year-old adults. Measurement in Physical Education and Exercise Science. 2007; 11(3): 149-60.
                                                                                                    24. Marsh C E. Evaluation of the American College of Sports Medicine submaximal treadmill running test for predicting VO2max. The Journal of Strength & Conditioning Research. 2012; 26(2): 548-54.
                                                                                                    25. Cunha F A, Catalão R P, Midgley A W, Gurgel J, Porto F, Farinatti P T. Do the speeds defined by the American College of Sports Medicine metabolic equation for running produce target energy expenditures during isocaloric exercise bouts? European Journal of Applied Physiology. 2012; 112(8): 3019-26.
                                                                                                    26. Siahkouhian M, Hovanlou F. Applied cardiorespiratory fitness tests. Rezvani Publication, 2011.
                                                                                                    27. Nieman D C. Exercise testing and prescription. A health-related approach; McGraw-Hill Companies. 2003; P. 63-5.