Evidence map›Paper›PMID 34545114›Full record

ArticleScientific reports2021

Daily activity in minimal footwear increases foot strength.

Rory Curtis, Catherine Willems, Paolo Paoletti, Kristiaan D'Août

Abstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–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

8 citing papers in PubMed.

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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

4 authors.

Rory CurtisDepartment of Musculoskeletal and Ageing Science, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK.
Catherine WillemsDepartment of Design, KASK & Conservatorium, The School of Arts of HoGent and HoWest, Ghent, Belgium.
Paolo PaolettiDepartment of Mechanical, Materials and Aerospace Engineering, School of Engineering, University of Liverpool, Liverpool, UK.
Kristiaan D'AoûtDepartment of Musculoskeletal and Ageing Science, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK. kristiaan.daout@liverpool.ac.uk.

Funding

Medical Research Council MR/P020941/1
6 · The paper itself

Abstract

The human foot is uniquely adapted to bipedal locomotion and has a deformable arch of variable stiffness. Intrinsic foot muscles regulate arch deformation, making them important for foot function. In this study we explore the hypothesis that normal daily activity in minimal footwear, which provides little or no support, increases foot muscle strength. Western adults wore minimal footwear for a six-month period (the "intervention" group). Foot strength, i.e., maximum isometric plantarflexion strength at the metatarsophalangeal joints, and foot biometrics were measured before and after the intervention. An additional group was investigated to add further insight on the long-term effects of footwear, consisting of Western adults with an average 2.5 years of experience in minimal footwear (the "experienced" group). This study shows that foot strength increases by, on average, 57.4% (p < 0.001) after six months of daily activity in minimal footwear. The experienced group had similar foot strength as the post intervention group, suggesting that six months of regular minimal footwear use is sufficient to gain full strength, which may aid healthy balance and gait.

Indexed as

AdultBiomechanical PhenomenaFemaleFootGaitHumansLocomotionMaleMuscle, SkeletalMuscle StrengthRunningShoes

Identifiers

PMID34545114
PMCPMC8452613

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.