Optimal Body Masses for Different Olympic Sports
Keywords:Olympic sports, Linear regression, Fisher test, Athlete selection
Background. The weight of the best athletes at different distances and in different sports can be very different. It is known that rowers, as a rule, are very massive. In order to give a chance to athletes with a small mass, the rowing federation was introduced a special category with the weight restrictions. These facts are connected with the peculiarities of the aerobic and un-aerobic activities, drag and propulsion characteristics.
Objective. In this paper, we don’t try to explain the body mass differences. We will only fix them for different sports: running, swimming (free style), skiing, skating, cycling, and rowing and for different Olympic distances.
Methods. A significant amount of data on the velocity and body mass of the best athletes professionals (both female and male) in Olympic sports (running, swimming, skiing, skating, cycling and rowing) was collected and analyzed. Since the weights of the best athletes only are taken into consideration, the expected results can be treated as the most suitable (optimal) body masses for different sports and distances. In order to check, how the values of body mass and average speed on the distance fit the linear dependence, the equation of the linear regression was used. The regression coefficient and two parameters of the straight line were calculated. In order to check that the velocity of skating doesn’t depend on the athlete mass, the Fisher test was used.
Results. The optimal masses of athletes for different distances and sports were calculated. In general, for the short distances, the large masses of athletes are optimal and they decrease for long distances. Exception is the results for female swimming and running, where the largest masses of athletes correspond to the medium distances. For longer distances, results show that the most performing athletes are characterized by a lower body mass, except for skating. For a fixed distance, the optimal weights of female athletes are 79.5 ± 3.1% of the weight of male athletes, at the same time they develop 89.4 ± 1.8% of the speed of men.Conclusions. The presented statistical analysis indicates that within one distance there is no significant dependence of speed on the mass (the exception is only rowing). For each distance there are their optimal masses of athletes, which are different for different sports. The revealed facts can be used in athlete selection and training. They need also further investigations with the use of the metabolic and propulsion peculiarities.
Kenenisa Bekele [Internet]. En.wikipedia.org. 2017 [cited 1 November 2017]. Available from: https://en.wikipedia.org/wiki/ Kenenisa_Bekele
Create.ph H. Home [Internet]. Usain Bolt. 2017 [cited 1 November 2017]. Available from: http://usainbolt.com (accessed on 1.11.2017)
Rules of rowing [Internet]. 2017 [cited 1 November 2017]. Available from: http://www.worldrowing.com/fisa/resources/ rulebooks
Olympic Rowing Rules and Scoring [Internet]. 2017 [cited 1 November 2017]. https://www.thoughtco.com/olympic-rowing-rules-and-scoring-2555857
Kleiber M. Body size and metabolic rate. Physiolog Rev. 1947;27(4):511-41. DOI: 10.1152/physrev.19184.108.40.2061
Nesteruk I., Efficiency of steady motion and its improvement with the use of unseparated and supercavitating flow patterns. Naukovi Visti NTUU KPI. 2016;6:51-67. DOI: 10.20535/1810-0546.2016.6.81605
International Association of Athletics Federations [Internet]. Iaaf.org. 2018 [cited 1 Juny 2018]. Available from: www.iaaf.org
International Swimming Federation [Internet]. Fina.org. 2017 [cited 1 Juny 2018]. Available from: http://www.fina.org
International Ski Federation [Internet]. FIS-SKI. 2018 [cited 1 June 2018]. Available from: http://www.fis-ski.com/index.html
International Skating Union [Internet]. Isu.org. 2018 [cited 1 June 2018]. Available from: https://www.isu.org
International Cycling Union Home [Internet]. Uci.ch. 2018 [cited 1 June 2018]. Available from: http://www.uci.ch/
International Rowing Federation [Internet]. Worldrowing.com. 2018 [cited 1 June 2018]. Available from: http://www.worldrowing.com
Draper N, Smith H. Applied Regression Analysis. 3rd ed. Wiley; 1998.
Markowski C, Markowski E. Conditions for the effectiveness of a preliminary test of variance. Am Stat. 1990;44(4):322. DOI:10.2307/2684360
How much do people weigh in different countries around the world? [Internet]. BrightSide – Inspiration. Creativity. Wonder. 2018 [cited 1 June 2018]. Available from: https://brightside.me/wonder-curiosities/how-much-do-people-weigh-in-different-countries-around-the-world-211605
Chernivtsi' T. The average weight of an adult in Ukraine is 74 – channel "Chernivtsi" [Internet]. Mtrk.com.ua. 2018 [cited 1 June 2018]. Available from: http://mtrk.com.ua/news/20686--------74-.html
Sprott JC. Energetics of walking and running [Internet]. Sprott.physics.wisc.edu. [cited 1 June 2018]. Available from: http://sprott.physics.wisc.edu/technote/walkrun.htm
Measuring the active drag coefficient [Internet]. Swimming Technology. 2018 [cited 1 June 2018]. Available from: https://swimmingtechnology.com/measurement-of-the-active-drag-coefficient
All boats, whether canoes, sailboats or rowing shells, have their speed limited by two factors: Frictional drag and wavemaking drag [Internet]. Hudsonboatworks.com. 2018 [cited 1 June 2018]. Available from: https://www.hudsonboatworks.com/sites/ default/files/basic-page/files/Row360%20-%20Issue%20009%20-%20The%20Science%20of%20Drag.pdf
Nesteruk I, Passoni G, Redaelli A. Shape of aquatic animals and their swimming efficiency. J Marine Biology. 2014;2014:1-9. DOI: 10.1155/2014/470715
Nesteruk I. Tyrannosaurus Rex running? Estimations of efficiency, speed and acceleration. Innov Biosyst Bioeng, 2018;2(1):42-8. DOI: 10.20535/ibb.2018.2.1.120491
Saibene F, Minetti A. Biomechanical and physiological aspects of legged locomotion in humans. Euro J Appl Physiol. 2003;88(4):297-316. DOI: 10.1007/s00421-002-0654-9
Delecluse C, Ponnet H, Diels R. Stride characteristics related to running velocity in maximal sprint running. ISBS'98 [Internet]. 1998 [cited 1 June 2018]. Available from: https://ojs.ub.uni-konstanz.de/cpa/article/viewFile/958/872
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