• Hippokratia · Apr 2019

    Combination of novel and traditional cardiorespiratory indices for the evaluation of adolescent volleyball players.

    • K Charitonidis, N Koutlianos, K Anagnostaras, M Anifanti, E Kouidi, and A Deligiannis.
    • Sports Medicine Laboratory, School of Physical Education & Sports Science, Aristotle University of Thessaloniki, Thermi, Greece.
    • Hippokratia. 2019 Apr 1; 23 (2): 70-74.

    BackgroundAlthough cardiopulmonary exercise (CPX) test is an essential tool for the assessment of functional capacity in athletes, limited information exists regarding the cardiorespiratory efficiency in young elite volleyball players. The main objective of the present study was to determine the maximal oxygen uptake (VO2max) and ventilatory anaerobic threshold (VT) during the CPX test in young male and female volleyball players. Moreover, to describe the behavior of the novel cardiorespiratory optimal point (COP) index and to assess its association with VO2max and VT.MethodsEleven adolescent male (15.18 ± 0.75 years old) and 13 female (14.77 ± 0.44 years old) volleyball players underwent a graded maximal exercise test on a treadmill until exhaustion in order to obtain VO2max, VT and COP. The COP was set as the lowest ventilation (VE)/VO2 ratio at a given minute of spiroergometry.ResultsCOP values did not differ significantly between the two sexes (19.81 ± 1.29 and 20.44 ± 2.63 in males and females, respectively) and it was achieved at a speed of 3.41 ± 0.89 km/hr in males, and 3.78 ± 0.76 km/hr in females, lower than that achieved at the VT. COP was not correlated with VO2max (56.32 ± 6.36 ml/kg/min and 44.78 ± 3.65 ml/kg/min) nor with VT (34.81 ± 10.13 ml/kg/min and 34.13 ± 5.87 ml/kg/min) in male and female young volleyball players, respectively.ConclusionsThe novel submaximal cardiorespiratory index of COP does not seem to be associated with the traditional aerobic capacity indices in athletes such as VO2max and VT. Thus, it probably constitutes a separate parameter that needs to be further evaluated regarding its significance both in clinical evaluation and sports performance assessment of athletes. HIPPOKRATIA 2019, 23(2): 70-74.Copyright 2019, Hippokratio General Hospital of Thessaloniki.

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