Evidence map›Paper›PMID 36871095›Full record

SynthesisScientific reports2023

Efficacy of resistance training in hypoxia on muscle hypertrophy and strength development: a systematic review with meta-analysis.

Cristina Benavente, Brad J Schoenfeld, Paulino Padial, Belén Feriche

Erratum issuedAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 17 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 3 pooled it
–field-weighted citation impact
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

17 citing papers in PubMed, 3 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors.

Cristina BenaventeDepartment of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain.ORCID http://orcid.org/0000-0002-5154-8602
Brad J SchoenfeldDepartment of Exercise Science and Recreation, CUNY Lehman College, The Bronx, NY, USA.ORCID http://orcid.org/0000-0003-4979-5783
Paulino PadialDepartment of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain.ORCID http://orcid.org/0000-0002-0847-7378
Belén FericheDepartment of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, Granada, Spain. mbelen@ugr.es.ORCID http://orcid.org/0000-0002-3933-6041

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A systematic review and meta-analysis was conducted to determine the effects of resistance training under hypoxic conditions (RTH) on muscle hypertrophy and strength development. Searches of PubMed-Medline, Web of Science, Sport Discus and the Cochrane Library were conducted comparing the effect of RTH versus normoxia (RTN) on muscle hypertrophy (cross sectional area (CSA), lean mass and muscle thickness) and strength development [1-repetition maximum (1RM)]. An overall meta-analysis and subanalyses of training load (low, moderate or high), inter-set rest interval (short, moderate or long) and severity of hypoxia (moderate or high) were conducted to explore the effects on RTH outcomes. Seventeen studies met inclusion criteria. The overall analyses showed similar improvements in CSA (SMD [CIs] = 0.17 [- 0.07; 0.42]) and 1RM (SMD = 0.13 [0.0; 0.27]) between RTH and RTN. Subanalyses indicated a medium effect on CSA for longer inter-set rest intervals and a small effect for moderate hypoxia and moderate loads favoring RTH. Moreover, a moderate effect for longer inter-set rest intervals and a trivial effect for severe hypoxia and moderate loads favoring RTH was found on 1RM. Evidence suggests that RTH employed with moderate loads (60-80% 1RM) and longer inter-set rest intervals (≥ 120 s) enhances muscle hypertrophy and strength compared to normoxia. The use of moderate hypoxia (14.3-16% FiO

Indexed as

GastropodaResistance TrainingAnimalsHumansHypertrophyHypoxiaMuscles

Identifiers

PMID36871095
PMCPMC9985626

What OpenQuestion holds

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Registered trials

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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.