Evidence map›Paper›PMID 29188450›Full record

ArticleEuropean journal of applied physiology2018

Ankle muscle activity modulation during single-leg stance differs between children, young adults and seniors.

Eduard Kurz, Oliver Faude, Ralf Roth, Lukas Zahner, Lars Donath

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Article in European journal of applied physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 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

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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

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  16. Postural Stability in Athletes during Special Hurdle Tests without a Definite Dominant Leg.International journal of environmental research and public health · 2020
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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

5 authors.

Eduard KurzDepartment of Sport, Exercise and Health, University of Basel, Basel, Switzerland. eduard.kurz@med.uni-jena.de.ORCID http://orcid.org/0000-0001-6931-5615
Oliver FaudeDepartment of Sport, Exercise and Health, University of Basel, Basel, Switzerland.
Ralf RothDepartment of Sport, Exercise and Health, University of Basel, Basel, Switzerland.
Lukas ZahnerDepartment of Sport, Exercise and Health, University of Basel, Basel, Switzerland.
Lars DonathDepartment of Sport, Exercise and Health, University of Basel, Basel, Switzerland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeIncomplete maturation and aging-induced declines of the neuromuscular system affect postural control both in children and older adults and lead to high fall rates. Age-specific comparisons of the modulation of ankle muscle activation and behavioral center of pressure (COP) indices during upright stance have been rarely conducted. The objective of the present study was to quantify aging effects on a neuromuscular level. Thus, surface electromyography (SEMG) modulation and co-activity of ankle muscles during single-leg standing was compared in healthy children, young adults and seniors.

methodsPostural steadiness (velocity and mean sway frequency of COP), relative muscle activation (SEMG modulation) and co-activation of two ankle muscles (tibialis anterior, TA; soleus, SO) were examined during single-leg stance in 19 children [age, 9.7 (SD 0.5) years], 30 adults [23.3 (1.5) years] and 29 seniors [62.7 (6.1) years].

resultsVelocity of COP in medio-lateral and anterior-posterior directions, mean sway frequency in anterior-posterior direction, relative muscle activation (TA and SO) and co-activation revealed large age effects (P < 0.003, η

conclusionsIncreased postural sway in children and seniors seems to be counteracted with higher TA/SO co-activity and SO modulation. However, TA modulation is higher in children and adults, whereas seniors' TA modulation capacity is diminished. An aging-induced decline of TA motor units might account for deteriorations of TA modulation in seniors.

Indexed as

AdultAgedAgingAnkleChildFemaleHumansMaleMiddle AgedMuscle ContractionMuscle, SkeletalPostural BalanceBalanceCo-activationElderlyMuscle activationPostural swayRisk of falling

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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.