Evidence map›Paper›PMID 36738253›Full record

ReviewThe journals of gerontology. Series A, Biological sciences and medical sciences2023

Neural Mechanisms of Age-Related Loss of Muscle Performance and Physical Function.

Brian C Clark

Open access · bronzeAbstract readReview
In one paragraph

Review in The journals of gerontology. Series A, Biological sciences and medical sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed, 1 pooled it
9.3field-weighted citation impact, top 1% 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

34 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  12. Tongue blade neuromuscular junction defects in old F344 rats.Respiratory physiology & neurobiology · 2026
    Article
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  15. Striatal dopamine and skeletal muscle energy metabolism in older adults.The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Article
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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

1 author at 1 institution in 1 country.

Brian C ClarkOhio Musculoskeletal and Neurological Institute (OMNI) and the Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, Ohio, USA.ORCID 0000-0002-6021-6431
Ohio University · US

Funding

Neuronal mechanisms involved in aging and ADR01AG067758 · NIA · OHIO UNIVERSITY ATHENS · PI ARNOLD, WILLIAM DAVID, CLARK, BRIAN C · 2021 to 2025
$4.1M
Neural mechanisms of dynapeniaR01AG044424 · NIA · OHIO UNIVERSITY ATHENS · PI CLARK, BRIAN C · 2014 to 2018
$1.4M
Intracortical Mechanisms of Muscle WeaknessR15HD065552 · NICHD · OHIO UNIVERSITY ATHENS · PI CLARK, BRIAN C · 2010 to 2011
$620k
NIA NIH HHS R01 AG044424NICHD NIH HHS R15 HD065552NIH HHSNIH HHS NIA R01AG067758
6 · The paper itself

Abstract

backgroundThis article discusses the putative neural mechanisms of age-related muscle weakness within the broader context of the development of function-promoting therapies for sarcopenia and age-related mobility limitations. We discuss here the evolving definition of sarcopenia and its primary defining characteristic, weakness.

methodsThis review explores the premise that impairments in the nervous system's ability to generate maximal force or power contribute to sarcopenia.

resultsImpairments in neural activation are responsible for a substantial amount of age-related weakness. The neurophysiological mechanisms of weakness are multifactorial. The roles of supraspinal descending command mechanisms, spinal motor neuron firing responsivity, and neuromuscular junction transmission failure in sarcopenia are discussed. Research/clinical gaps and recommendations for future work are highlighted.

conclusionFurther research is needed to map putative neural mechanisms, determine the clinical relevance of age-related changes in neural activation to sarcopenia, and evaluate the effectiveness of various neurotherapeutic approaches to enhancing physical function.

Indexed as

SarcopeniaHumansMotor NeuronsMuscle, SkeletalMuscle StrengthMuscle WeaknessNeuromuscular JunctionDynapeniaMuscle strengthOlder adultsSarcopeniaWeakness

Identifiers

PMID36738253
PMCPMC10272985
OpenAlexW4319164465

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.