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ORIGINAL ARTICLE  EXERCISE PHYSIOLOGY AND BIOMECHANICS 

The Journal of Sports Medicine and Physical Fitness 2018 June;58(6):810-5

DOI: 10.23736/S0022-4707.17.07264-4

Copyright © 2017 EDIZIONI MINERVA MEDICA

lingua: Inglese

Factors determining 800-m running performance in young male athletes

Ramon CRUZ 1 , Romulo C. BERTUZZI 1, Danilo L. ALVES 2, Rafael AZEVEDO 1, Phelipe H. CASTRO 2, Jefferson V. FREITAS 2, Adriano E. LIMA-SILVA 3, Fernando R. DE-OLIVEIRA 4, Jorge R. LIMA 2

1 Endurance Sports Research Group (GEDAE-USP), Department of Sport, School of Physical Education and Sport, University of São Paulo (USP), São Paulo, Brazil; 2 School of Physical Education and Sport, Federal University of Juiz de Fora (UFJF), Juiz de Fora, Brazil; 3 Sports Science Research Group, Department of Physical Education and Sports Science CAV, Federal University of Pernambuco, Recife, Brazil; 4 Departament of Physical Education, Federal University of Lavras (UFLA), Lavras, Brazil


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BACKGROUND: The aim of the present study was to identify determinant variables on 800-m running performance in young male athletes derived from field tests and biological maturity.
METHODS: A total of 89 athletes, aged between 13 and 15 years old, performed a 800-m running trial and a battery of tests which involved anthropometric measurements, a running anaerobic test (RAST), a flexibility test (sit-and-reach), a counter movement jump test and progressive test for aerobic fitness evaluation. A stepwise multiple regression model selected three independent variables to explain the variance in 800-m running performance trial: peak of aerobic speed (PAS), total time of all sprints (RAST) and predicted mature stature (PMS).
RESULTS: The PAS speed explained 73.6% (P<0.01) of the variance, whereas the RAST and PMS accounted for additional 7.7% (P<0.01) and 0.9% (P<0.05), respectively. Taken together, these variables explained 82.2% of the overall 800-m running performance.
CONCLUSIONS: The results indicate that the 800-m running performance might be explained mainly by aerobic (PAS) and anaerobic metabolisms (RAST). Beyond the traditional variables of performance in 800-m running trial, the biological maturity must be considered in regard of endurance performance of young athletes.


KEY WORDS: Physical endurance - Running - Track and field

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