نتایج جستجو برای: vo2max
تعداد نتایج: 2915 فیلتر نتایج به سال:
The relationship between exercise and energy expenditure is unclear, with some suggestions that exercise leads to increased energy expenditure over and beyond the increase due to the exercise itself. In this cross-sectional study, we examined the relationships among aerobic fitness level, body composition, and total daily energy expenditure in 78 subjects. Daily energy expenditure (determined i...
The main purpose of the present study is to investigate the relationship between anaerobic power achieved in repeated anaerobic exercise and aerobic power. The study group consisted of 40 soccer players (age 17.3 ± 1.36 years). All participants performed 3 tests: a running-based anaerobic sprint test (RAST), a graded treadmill test (GXT), and a multistage fitness test (20mPST). A statistically ...
Background: The relationship between maximum consumption of oxygen and indicators of body composition is important due in increasing the chance of developing cardiovascular risk factors. Therefore, the aim of this study was to investigate the association between body fat anthropometric indicators (BMI, WC, WHtR, CI, triceps skinfold, subscapular skinfold, suprailiac skinfold) with VO2max and es...
Results Using multiple linear regression, a model was produced where significant predictors of VO2max (p < 0.05) included estimated body fat percentage from sum of three skinfolds (p < .001) and BMI (p = .024). The generalized equation (R = .741, R2 = .549, SEE = 7.10) derived from the model to predict VO2max was: 72.32 + (-.949 × %fat from skinfolds) – (.392 × BMI). Variables excluded (p > 0.0...
BACKGROUND There remains considerable debate regarding the limiting factor(s) for maximal oxygen uptake (VO2max). Previous studies have shown that the central circulation may be the primary limiting factor for VO2max and that cardiac work increases beyond VO2max. AIM We sought to evaluate whether the work of the heart limits VO2max during upright incremental cycle exercise to exhaustion. ME...
The support for recording achievements in sports achievements, two of which are the ability to enter oxygen (O2) into lungs and further take up this so that it can be utilized process providing energy. second function O2 is transport carbon dioxide (CO2) through respiration. These processes carried out simultaneously at least between respiratory cycle its close relationship with hemoglobin. Hem...
This study investigated differences in average VO2 of maximal effort interval running to maximal effort constant rate running at lactate threshold matched for time. The average VO2 and distance covered of 10 recreational male runners (VO2max: 4158 ± 390 mL · min(-1)) were compared between a maximal effort constant-rate run at lactate threshold (CRLT), a maximal effort interval run (INT) consist...
The aim of the study was to evaluate the usefulness of indirect methods of assessment of VO2max for estimation of physical capacity of trained male and female rowers during a training cycle. A group of 8 female and 14 male rowers performed the maximal intensity test simulating the regatta distance (a 2 km test) and a submaximal incremental exercise test on a rowing ergometer. The suitability of...
Purpose to examine the effect of a 4-day NO3- loading protocol on the submaximal oxygen cost of both low fit and high fit participants at five different exercise intensities. Methods participants were initially assigned to a placebo (PL; negligible NO3-) or inorganic nitrate-rich (NR; 6.2 mmol nitrate/day) group; double-blind, placebo-controlled, crossover. Participants completed three trials...
OBJECTIVE To examine the cardiorespiratory response to exercise in healthy South Indian school children. DESIGN Prospective study. SETTING Cardiopulmonary Medicine Unit, Tuberculosis Research Center, Madras. SUBJECTS Data was obtained on 47 girls and 48 boys in the age group 7 to 14 years. INTERVENTION The children performed a graded maximal exercise stress test on a computerized treadm...
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