Evidence map›Paper›PMID 34014402›Full record

ArticleEuropean journal of applied physiology2021

Twelve weeks of sprint interval training increases peak cardiac output in previously untrained individuals.

William Bostad, Sydney E Valentino, Devin G McCarthy, Douglas L Richards, Martin J MacInnis, Maureen J MacDonald, Martin J Gibala

Abstract read
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In one paragraph

Article in European journal of applied physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 2 pooled it
4.9field-weighted citation impact, top 6% of its field
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 2 syntheses or guidelines pooled it, 25 citations in OpenAlex.

  1. Pooled it
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  3. Trial
  4. Article
  5. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

William BostadDepartment of Kinesiology, McMaster University, Hamilton, ON, L8S 4K1, Canada.ORCID https://orcid.org/0000-0001-9037-2200
Sydney E ValentinoDepartment of Kinesiology, McMaster University, Hamilton, ON, L8S 4K1, Canada.ORCID https://orcid.org/0000-0003-2280-8505
Devin G McCarthyDepartment of Kinesiology, McMaster University, Hamilton, ON, L8S 4K1, Canada.ORCID https://orcid.org/0000-0002-7326-7705
Douglas L RichardsDepartment of Medicine, McMaster University, Hamilton, ON, Canada.
Martin J MacInnisFaculty of Kinesiology, University of Calgary, Calgary, AB, Canada.
Maureen J MacDonaldDepartment of Kinesiology, McMaster University, Hamilton, ON, L8S 4K1, Canada.ORCID http://orcid.org/0000-0001-9851-3610
Martin J GibalaDepartment of Kinesiology, McMaster University, Hamilton, ON, L8S 4K1, Canada. gibalam@mcmaster.ca.ORCID http://orcid.org/0000-0001-5287-0014
McMaster University · CAUniversity of Calgary · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSprint interval training (SIT), characterized by brief bouts of 'supramaximal' exercise interspersed with recovery periods, increases peak oxygen uptake ([Formula: see text]) despite a low total exercise volume. Per the Fick principle, increased [Formula: see text] is attributable to increased peak cardiac output ([Formula: see text]) and/or peak arterio-venous oxygen difference (a-vO PURPOSE: To determine the effect of 12 weeks of SIT on [Formula: see text], measured using inert gas rebreathing, and the relationship between changes in [Formula: see text] and [Formula: see text].

methods15 healthy untrained adults [6 males, 9 females; 21 ± 2 y (mean ± SD)] performed 28 ± 3 training sessions. Each session involved a 2-min warm-up at 50 W, 3 × 20-s 'all-out' cycling bouts (581 ± 221 W) interspersed with 2-min of recovery, and a 3-min cool-down at 50 W.

resultsMeasurements performed before and after training showed that 12 weeks of SIT increased [Formula: see text] (17.0 ± 3.7 vs 18.1 ± 4.6 L/min, p = 0.01, partial η

conclusionTwelve weeks of SIT increased [Formula: see text] by 6% in previously untrained participants and the change was correlated with the larger 21% increase in [Formula: see text].

Indexed as

BicyclingHigh-Intensity Interval TrainingAdaptation, PhysiologicalCardiac OutputFemaleHumansMaleMuscle, SkeletalYoung AdultCentral adaptationsExerciseInert gas rebreathingPeak oxygen uptakePeripheral adaptations

Identifiers

PMID34014402
OpenAlexW3160903530

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.