Validade preditiva da medida e estimativas do VO2máx no desempenho de Mountain Bikers

Mainardi, Fernanda; Inoue, Allan; Pompeu, Fernando; Santos, Tony Meireles

doi:10.1590/1517-86922015210101605

Cited by 2 publications

(2 citation statements)

References 28 publications

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“…The use of the reserve method to estimate VO2max is based on the assumption of previously validated equations (19) . The predictive validity of this approach was extremely satisfactory (r ≥ 0.90) (20) , even when compared to direct VO2max measurement methods (21) .The concurrent validity, in a study not yet published by our group, resulted in a standard error of the estimate of 5.3 mL.kg -1 .min -1 . In addition, the reliability of the method using exercise as a mode of exercise provided a typical measurement error of 2.4 mL -1 .kg -1 .min -1 (4.9%) and an intra-class correlation coefficient of 0.864 (20) .…”

Section: Cardiorespiratory Testmentioning

confidence: 70%

Can the high intensity interval running in slope affect concurrently explosive strength performance?

et al. 2023

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Background: Physical exercise programs are typically composed of activities directed to the development of different physical abilities, usually stimulated in the same session. Objective: The aim of the study was to determine the effect of one session of aerobic exercise at high intensity to 1% and 10% gradient on the height (HJump) and kinematics of the depth jump (PExc - eccentric, concentric phase PCon, and contact time – CT). Methods: Twenty-five moderately trained men (VO2Max 53.2 ± 4.3 mL.kg-1.min-1) attended five visits in the laboratory. Familiarity with the procedures in depth jump, VO2Max measures and their velocity associated (VVO2Max), and time to exhaustion performance (TLim) were performed at two initial visits. Results: On the three subsequent visits, the volunteers were subjected to three maximum depth jumps before and 10 min after the following conditions: (1) running intervals at high intensity of 10% gradient (R10%), (2) at 1% gradient (R1%), and control condition (CON). The order of conditions was determined randomly. A running condition did not induce significant changes from HJump (R1% 1.1% vs 1.0% R10%) when expressed as percentage difference from the CON condition. The PExc, PCon, and CT also did not change after running sessions (P> 0.05). None of the intervals running strategies were able to generate significant change in height and kinematics of the vertical depth jump. Conclusion: The prescription of the running at VVO2Max in 1% or 10% gradient does not seem to lead to concurrent effect, is suggested to ensure the concomitant development of maximal aerobic power and explosive strength.

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Section: Cardiorespiratory Testmentioning

confidence: 70%

Can the high intensity interval running in slope affect concurrently explosive strength performance?

et al. 2023

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“…Several literature studies use these physiological indices to predict the aerobic performance of endurance runners and other sport modalities [7][8][9][10][11] , but none for military pentathlon. Furthermore, it is important to underscore that to date the samples of scientific articles have been composed of male subjects.…”

Section: Introductionmentioning

confidence: 99%

Running velocity at maximum oxygen uptake and at maximum effort: important variables for female military pentathlon

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et al. 2022

Motriz: rev. educ. fis.

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Aim: to correlate cardiopulmonary capacity widely used variables with athletic performance in 4 km cross country race, in elite female military pentathlon athletes. Methods: Five military pentathlon athletes from Brazilian team with 27.5 [25.0; 29.3] years old underwent an incremental ramp treadmill test to determine VO 2 max, vVO 2 max (velocity of initial VO 2 plateau), maximum velocity, and these same variables in anaerobic threshold. Furthermore, the performance obtained on the cross-country race of the last trial before the world military games was recorded. Spearman's correlations were used to investigate the association between cardiopulmonary variables and athletic performance (p < 0.05). Results: The athletes exhibited a median total body weight of 64.3 [60.9; 66.6] kg and height of 1.75 [1.66; 1.76] cm. Race performance was positively correlated with vVO 2 max (r = 0.98, very strong correlation) and maximum velocity reached (r = 0.95, very strong correlation). The remaining cardiopulmonary variables did not show similar behavior, with r varying between -0.26 and 0.44. Conclusion: Maximum velocity and vVO 2 max indicators are directly related to athletic performance in the 4 km cross country race of elite female military pentathlon athletes. Thus, the technical team must pay particular attention to athletic performance in these cardiopulmonary variables in both the selection of new athletes and the identification of the effectiveness of applied training strategies.

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Validade preditiva da medida e estimativas do VO2máx no desempenho de Mountain Bikers

Cited by 2 publications

References 28 publications

Can the high intensity interval running in slope affect concurrently explosive strength performance?

Can the high intensity interval running in slope affect concurrently explosive strength performance?

Running velocity at maximum oxygen uptake and at maximum effort: important variables for female military pentathlon

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