Evidence map›Paper›PMID 34393809›Full record

ArticleFrontiers in physiology2021

Acute Effect of Repeated Sprint Exercise With Blood Flow Restriction During Rest Periods on Muscle Oxygenation.

Chihiro Kojima, Keiichi Yamaguchi, Hiroto Ito, Nobukazu Kasai, Olivier Girard, Kazushige Goto

Open access · goldAbstract read
In one paragraph

Article in Frontiers in physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
3.3field-weighted citation impact, top 9% 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, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Trial
  5. Article
  6. Evolving blood flow restriction training.Experimental physiology · 2025
    Review
  7. Hemodynamic analysis of blood flow restriction training: a systematic review.BMC sports science, medicine & rehabilitation · 2025
    Article
  8. Article
  9. Inter-effort recovery hypoxia: a new paradigm in sport science?BMJ open sport & exercise medicine · 2023
    Article
  10. Article
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

6 authors at 3 institutions in 2 countries.

Chihiro KojimaJapan Institute of Sports Sciences, Tokyo, Japan.
Keiichi YamaguchiGraduate School of Sport and Health Science, Ritsumeikan University, Shiga, Japan.
Hiroto ItoGraduate School of Sport and Health Science, Ritsumeikan University, Shiga, Japan.
Nobukazu KasaiJapan Institute of Sports Sciences, Tokyo, Japan.
Olivier GirardSchool of Human Sciences (Exercise and Sport Science), The University of Western Australia, Crawly, WA, Australia.
Kazushige GotoGraduate School of Sport and Health Science, Ritsumeikan University, Shiga, Japan.
Ritsumeikan University · JPJapan Sport Council · JPUniversity of Western Australia · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study aimed to examine the effect of applying BFR during rest periods of repeated cycling sprints on muscle oxygenation.

methodsSeven active males performed 5 × 10-s maximal pedaling efforts with 40-s passive rest, with or without BFR application during rest period. BFR was applied for 30 s between sprints (between 5 and 35 s into rest) through a pneumatic pressure cuff inflated at 140 mmHg.

resultsThe BFR trial showed significantly lower oxyhemoglobin (oxy-Hb) and tissue saturation (StO

conclusionApplying BFR during rest periods of repeated cycling sprints decreased muscle oxygenation of active musculature, without interfering with power output during sprints.

Indexed as

local hypoxiaocclusionperfusionrecoveryrepeated sprint ability

Identifiers

PMID34393809
PMCPMC8358934
OpenAlexW3185347695

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.