Trial reportBritish journal of sports medicine2003
Effects of electrical stimulation on VO2 kinetics and delta efficiency in healthy young men.
Trial report in British journal of sports medicine, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Effects of Beetroot Juice Supplementation on Cardiorespiratory Endurance in Athletes. A Systematic Review.Nutrients · 2017Pooled it
- Trial
- Electrical muscle stimulation prevents critical illness polyneuromyopathy: a randomized parallel intervention trial.Critical care (London, England) · 2010Trial
- Comparison of physiological and psychobiological acute responses between high intensity functional training and high intensity continuous training.Sports medicine and health science · 2025Article
- Cardiopulmonary Response to Robot-Assisted Tilt Table With Regard to Its Components.Brain & NeuroRehabilitation · 2023Article
- Cardiometabolic and Muscular Fatigue Responses to Different CrossFit® Workouts.Journal of sports science & medicine · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo determine the effects of electrical stimulation (ES) on oxygen uptake (VO(2)) kinetics and delta efficiency (DE) during gradual exercise. The hypothesis was that ES would attenuate the VO(2)-workload relation and improve DE.
methodsFifteen healthy, untrained men (mean (SD) age 22 (5) years) were selected. Ten were electrostimulated on both quadriceps muscles with a frequency of 45-60 Hz, with 12 seconds of stimulation followed by eight seconds recovery for a total of 30 minutes a day, three days a week for six weeks. The remaining five subjects were assigned to a control group. A standardised exercise test on a cycle ergometer (ramp protocol, workload increases of 20 W/min) was performed by each subject before and after the experimental period. The slope of the VO(2)-power output (W) relation (deltaVO(2)/deltaW) and DE were calculated in each subject at moderate to high intensities (above the ventilatory threshold-that is, from 50-60% to 100% VO(2)max).
resultsThe mean (SEM) values for deltaVO(2)/deltaW and DE had significantly decreased and increased respectively after the six week ES programme (p<0.05; 9.8 (0.2) v 8.6 (0.5) ml O(2)/W/min respectively and 27.7 (0.9) v 31.5 (1.4)% respectively).
conclusionsES could be used as a supplementary tool to improve two of the main determinants of endurance capacity, namely VO(2) kinetics and work efficiency.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.