Evidence map›Paper›PMID 36432445›Full record

Trial reportNutrients2022

Acute Effects of Beetroot Juice Supplementation on Isometric Muscle Strength, Rate of Torque Development and Isometric Endurance in Young Adult Men and Women: A Randomized, Double-Blind, Controlled Cross-Over Pilot Study.

David Poredoš, Zala Jenko Pražnikar, Žiga Kozinc

Open access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Nutrients, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
1.6field-weighted citation impact, top 18% 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

12 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Dietary nitrate and muscle contractile function in women: effect of menstrual cycle phase.Journal of applied physiology (Bethesda, Md. : 1985) · 2026
    Trial
  5. Trial
  6. Trial
  7. Trial
  8. Article
  9. Review
  10. Article
  11. The therapeutic potential of red beetroot (Food science & nutrition · 2024
    Article
  12. Review
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

3 authors at 1 institution in 1 country.

David PoredošFaculty of Health Sciences, University of Primorska, Polje 42, SI-6310 Izola, Slovenia.
Zala Jenko PražnikarAndrej Marušič Institute, University of Primorska, Muzejski trg 2, SI-6000 Koper, Slovenia.ORCID 0000-0002-5217-8754
Žiga KozincFaculty of Health Sciences, University of Primorska, Polje 42, SI-6310 Izola, Slovenia.ORCID 0000-0003-3555-8680
University of Primorska · SI

Funding

Slovenian Research Agency I0-0035University of Primorska 2990-1-2/2021
6 · The paper itself

Abstract

This study was conducted to investigate the effect of concentrated beetroot juice on isometric strength and knee extensor muscle endurance in healthy adults. We conducted a randomized cross-over, double-blind experiment in which participants (18 healthy, physically active adults, 9 men, 9 women) consumed either concentrated beetroot juice (140 mL) or low-nitrate control supplement 2.5 h before the measurement. Isometric maximum strength (peak torque), explosive strength (isometric rate of torque development), and strength endurance at 50% of peak torque were measured on an isometric dynamometer. The results showed that concentrated beetroot juice had no effect on the maximum voluntary isometric strength and rate of torque development of the knee extensors. The only exception was the maximum rate of torque development, for which a positive influence was demonstrated only in men. As for the endurance of the knee extensors, the supplement had a positive effect in men (endurance time increased from 86.4 ± 46.1 s to 103.4 ± 53.7 s;

Indexed as

Isometric ContractionNitratesDietary SupplementsFemaleHumansMaleMuscle StrengthPilot ProjectsTorqueYoung AdultNitratesbeetrootknee extensionmaximum voluntary contractionnitratesstrength endurance

Identifiers

PMID36432445
PMCPMC9692807
OpenAlexW4308702906

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.