Evidence map›Paper›PMID 27548212›Full record

Trial reportNutrients2016

Effects of Beetroot Juice on Recovery of Muscle Function and Performance between Bouts of Repeated Sprint Exercise.

Tom Clifford, Bram Berntzen, Gareth W Davison, Daniel J West, Glyn Howatson, Emma J Stevenson

Open access · goldAbstract readRandomized Controlled Trial
PubMed Full text at PMC Publisher
In one paragraph

Trial report in Nutrients, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers, 10 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
59citing papers in PubMed, 10 pooled it
7.9field-weighted citation impact, top 3% 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

59 citing papers in PubMed, 10 syntheses or guidelines pooled it, 90 citations in OpenAlex.

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  6. Effectiveness of Nitrate Intake on Recovery from Exercise-Related Fatigue: A Systematic Review.International journal of environmental research and public health · 2022
    Pooled it
  7. The Effects of Dietary Nitrate Supplementation on Explosive Exercise Performance: A Systematic Review.International journal of environmental research and public health · 2022
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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

6 authors at 5 institutions in 3 countries.

Tom CliffordFaculty of Health and Life Sciences, Department of Sport, Exercise & Rehabilitation, Northumbria University, Newcastle NE1 8ST, UK. tom.clifford@northumbria.ac.uk.
Bram BerntzenFaculty of Health Medicine and Life Sciences, Maastricht University, Maastricht 6211 LK, The Netherlands. bram.berntzen@student.maastrichtuniversity.nl.
Gareth W DavisonSport and Exercise Sciences Research Institute, Ulster University, Ulster BT52 1SA, Northern Ireland, UK. gw.davison@ulster.ac.uk.
Daniel J WestHuman Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Newcastle NE2 4HH, UK. daniel.west@newcastle.ac.uk.
Glyn HowatsonFaculty of Health and Life Sciences, Department of Sport, Exercise & Rehabilitation, Northumbria University, Newcastle NE1 8ST, UK. glyn.howatson@northumbria.ac.uk.
Emma J StevensonHuman Nutrition Research Centre, Institute of Cellular Medicine, Newcastle University, Newcastle NE2 4HH, UK. emma.stevenson@newcastle.ac.uk.
Newcastle University · GBMaastricht University · NLNorthumbria University · GBNorth-West University · ZAUniversity of Ulster · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This study examined the effects of beetroot juice (BTJ) on recovery between two repeated-sprint tests. In an independent groups design, 20 male, team-sports players were randomized to receive either BTJ or a placebo (PLA) (2 × 250 mL) for 3 days after an initial repeated sprint test (20 × 30 m; RST1) and after a second repeated sprint test (RST2), performed 72 h later. Maximal isometric voluntary contractions (MIVC), countermovement jumps (CMJ), reactive strength index (RI), pressure-pain threshold (PPT), creatine kinase (CK), C-reactive protein (hs-CRP), protein carbonyls (PC), lipid hydroperoxides (LOOH) and the ascorbyl free radical (A(•-)) were measured before, after, and at set times between RST1 and RST2. CMJ and RI recovered quicker in BTJ compared to PLA after RST1: at 72 h post, CMJ and RI were 7.6% and 13.8% higher in BTJ vs. PLA, respectively (p < 0.05). PPT was 10.4% higher in BTJ compared to PLA 24 h post RST2 (p = 0.012) but similar at other time points. No group differences were detected for mean and fastest sprint time or fatigue index. MIVC, or the biochemical markers measured (p > 0.05). BTJ reduced the decrement in CMJ and RI following and RST but had no effect on sprint performance or oxidative stress.

Indexed as

Athletic PerformanceHigh-Intensity Interval TrainingAthletesBeta vulgarisDouble-Blind MethodDrinkingFruit and Vegetable JuicesHumansMaleMuscle FatigueMuscle, SkeletalMuscle StrengthPain ThresholdPhysical ExertionPlant ExtractsRecovery of FunctionPlant Extractsbeetroot juiceexercise recoverymuscle damagerepeated sprint exercise

Identifiers

PMID27548212
PMCPMC4997419
OpenAlexW2516177482

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.