Evidence map›Paper›PMID 25530807›Full record

ArticleJournal of foot and ankle research2014

Fiber type composition of the human quadratus plantae muscle: a comparison of the lateral and medial heads.

Kristen L Schroeder, Benjamin Wc Rosser, Soo Y Kim

Open access · goldAbstract read
In one paragraph

Article in Journal of foot and ankle research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.4field-weighted citation impact, top 35% 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

2 citing papers in PubMed, 9 citations in OpenAlex.

  1. 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

3 authors at 1 institution in 1 country.

Kristen L SchroederCurrent Address: Department of Anatomy and Cell Biology, University of Saskatchewan, 107 Wiggins Rd., Saskatoon, Saskatchewan S7N 5E5 Canada.
Benjamin Wc RosserCurrent Address: Department of Anatomy and Cell Biology, University of Saskatchewan, 107 Wiggins Rd., Saskatoon, Saskatchewan S7N 5E5 Canada.
Soo Y KimCurrent Address: School of Physical Therapy, University of Saskatchewan, 1121 College Drive, Saskatoon, Saskatchewan S7N 0W3 Canada.
University of Saskatchewan · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe human quadratus plantae muscle has been attributed a variety of functions, however no consensus has been reached on its significance to foot functioning. The architecture of the human quadratus plantae consists of an evolutionarily conserved lateral head, and a medial head thought to be unique to Man. Surveys of human anatomy have demonstrated the absence of either the medial or lateral head in 20% of the population, which may have implications for foot functioning if each muscle head performs a discrete function.

methodsWe investigated the quadratus plantae from eleven formalin-embalmed specimens with a mean age of 84 ± 9 years. Immunohistochemical methods were used to determine the percentage of Type I and Type II muscle fibers in the medial and lateral heads of the quadratus plantae from these specimens.

resultsResults showed striking homogeneity in fiber type composition within an individual, with an average difference in Type I fiber content of 4.1% between lateral and medial heads. Between individuals, however, the ratio of fiber types within the quadratus plantae was highly variable, with Type I fiber percentages ranging from 19.1% to 91.6% in the lateral head, and 20.4% to 97.0% within the medial head.

conclusionsOur finding of similar fiber type composition of lateral and medial heads within an individual supports the hypothesis that the two heads have a singular function.

Indexed as

ElderlyFootIntrinsic foot muscleMuscle fiberMyosin heavy chainQuadratus plantae

Identifiers

PMID25530807
PMCPMC4271414
OpenAlexW2171720848

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.