ArticlePloS one2014
End criteria for reaching maximal oxygen uptake must be strict and adjusted to sex and age: a cross-sectional study.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02240836 (Energy Balance and Breast Cancer Aspects-II Study), which is not on this map. Cited by 185 papers, 2 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Energy Balance and Breast Cancer Aspects-II Study
Who cites it
185 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Pooled it
- Pooled it
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- The acute effects of exercise intensity and inorganic nitrate supplementation on vascular health in females after menopause.Journal of applied physiology (Bethesda, Md. : 1985) · 2023Trial
- The efficacy of strength or aerobic exercise on quality of life and knee function in patients with knee osteoarthritis. A multi-arm randomized controlled trial with 1-year follow-up.BMC musculoskeletal disorders · 2023Trial
- Effects of Controlled Supramaximal High-Intensity Interval Training on Cardiorespiratory Fitness and Global Cognitive Function in Older Adults: The Umeå HIT Study-A Randomized Controlled Trial.The journals of gerontology. Series A, Biological sciences and medical sciences · 2023Trial
- Cardiac output and arteriovenous oxygen difference contribute to lower peak oxygen uptake in patients with fibromyalgia.BMC musculoskeletal disorders · 2023Trial
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- Menthol Mouth Rinsing Maintains Relative Power Production during Three-Minute Maximal Cycling Performance in the Heat Compared to Cold Water and Placebo Rinsing.International journal of environmental research and public health · 2022Trial
- Effects of Short-Term Phosphate Loading on Aerobic Capacity under Acute Hypoxia in Cyclists: A Randomized, Placebo-Controlled, Crossover Study.Nutrients · 2022Trial
- Blocking endogenous IL-6 impairs mobilization of free fatty acids during rest and exercise in lean and obese men.Cell reports. Medicine · 2021Trial
- The effect of multi-ingredient intra- versus extra-cellular buffering supplementation combined with branched-chain amino acids and creatine on exercise-induced ammonia blood concentration and aerobic capacity in taekwondo athletes.Journal of the International Society of Sports Nutrition · 2021Trial
- Acute Photobiomodulation Does Not Influence Specific High-Intensity and Intermittent Performance in Female Futsal Players.International journal of environmental research and public health · 2020Trial
- Acute p-synephrine ingestion increases whole-body fat oxidation during 1-h of cycling at Fatmax.European journal of nutrition · 2020Trial
- Ergogenic effects of caffeine on peak aerobic cycling power during the menstrual cycle.European journal of nutrition · 2020Trial
- Effect of intensive prior exercise on muscle fiber activation, oxygen uptake kinetics, and oxygen uptake plateau occurrence.European journal of applied physiology · 2020Trial
125 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo describe different end criteria for reaching maximal oxygen uptake (VO2max) during a continuous graded exercise test on the treadmill, and to explore the manner by which different end criteria have an impact on the magnitude of the VO2max result.
methodsA sample of 861 individuals (390 women) aged 20-85 years performed an exercise test on a treadmill until exhaustion. Gas exchange, heart rate, blood lactate concentration and Borg Scale6-20 rating were measured, and the impact of different end criteria on VO2max was studied;VO2 leveling off, maximal heart rate (HRmax), different levels of respiratory exchange ratio (RER), and postexercise blood lactate concentration.
resultsEight hundred and four healthy participants (93%) fulfilled the exercise test until voluntary exhaustion. There were no sex-related differences in HRmax, RER, or Borg Scale rating, whereas blood lactate concentration was 18% lower in women (P<0.001). Forty-two percent of the participants achieved a plateau in VO2; these individuals had 5% higher ventilation (P = 0.033), 4% higher RER (P<0.001), and 5% higher blood lactate concentration (P = 0.047) compared with participants who did not reach a VO2 plateau. When using RER ≥1.15 or blood lactate concentration ≥8.0 mmol•L(-1), VO2max was 4% (P = 0.012) and 10% greater (P<0.001), respectively. A blood lactate concentration ≥8.0 mmol•L(-1) excluded 63% of the participants in the 50-85-year-old cohort.
conclusionsA range of typical end criteria are presented in a random sample of subjects aged 20-85 years. The choice of end criteria will have an impact on the number of the participants as well as the VO2max outcome. Suggestions for new recommendations are given.
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Registered trials
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