Padilla-Pérez J, Eguía-Lis-Gutiérrez MC

Language: Spanish
References: 18
Page: 31-37
PDF size: 154.30 Kb.

ABSTRACT

Material and methods. There are no comparative studies between Mexican female and Mexican male athletes related to sport physiological adaptation. We studied whether between sport groups by gender there were some differences in maximum aerobic power relative to total body mass (VO_2maxRel) would then also be in terms of heart rate, VO₂, PulO₂ and ergometer power (Pot) maximum. Using a cycle-ergometer maximum test effort and an open spirometric circuit method to measure at 2,240 m altitude, heart rate (HR, beats·min^-1), lung uptake of oxygen (VO₂, mL·min^-1), expired ventilation (Ve, mL·min^-1) and O₂ pulse (PulO₂ = O₂/FC, mLO₂·beat^-1) of 14 males (M) and 15 females (F) athletes from swimming (3M, 5F), 1,500 dm (5M, 3F), 10,000 dm (4M, 5F) and marathon (2M, 2F) sport specialties. Results. The maximum parameters were M › F (t-Student test, P ‹ 0.05) (except FC: 182.2 ± 15 =187.0 ± 20 beats·min^-1, respectively) in Pot: 231.1 ± 27 › 180.0 ± 24 (Watts); Pot index: 4.0 ± 0.3 › 3.4 ± 0.3 (W·kg^-1), VO₂: 3.3 ± 0.6 › 2.4 ± 0.5 (mL·min^--1-); VO₂Rel: 58.8 ± 9.1 › 45.1 ± 9.1 (mL·kg^-1-·min^--1-), and PulO₂: 18.3 ± 3.2 › 13.1 ± 3.0 (mLO_2·beat^--1-). Male greater aerobic power and maximal ergometric, absolute and relative values, compared F, are explained by the well known biological constitution differ between gender from the physiological standpoint, the effects of sport fitness adaptation, the increased cardiovascular and neuromuscular peripheral adjustment in M athletes. This was reflected in a positive effect that the chronic sport fitness conditioning has on body systems. Conclusion. One can distinguish gender sport groups with different degrees of both central endurance (oxygen pulse) and peripheral endurance (VO_2maxRel) and also gender ergometric sport fitness adequacy.

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