Evidence map›Paper›PMID 32884015›Full record

ArticleScientific reports2020

An ossifying bridge - on the structural continuity between the Achilles tendon and the plantar fascia.

Johann Zwirner, Ming Zhang, Benjamin Ondruschka, Keichi Akita, Niels Hammer

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
3.2field-weighted citation impact, top 8% 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

12 citing papers in PubMed, 28 citations in OpenAlex.

  1. Article
  2. Article
  3. Spontaneous rupture of the plantar fascia: a case report.Frontiers in rehabilitation sciences · 2024
    Article
  4. Article
  5. Characteristics of Pressure on the Apophysis in the Course of Paediatric Heel Pain-Preliminary Report.International journal of environmental research and public health · 2023
    Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
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 at 4 institutions in 4 countries.

Johann ZwirnerDepartment of Anatomy, University of Otago, Dunedin, New Zealand. medijo@gmx.de.
Ming ZhangDepartment of Anatomy, University of Otago, Dunedin, New Zealand.
Benjamin OndruschkaInstitute of Legal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
Keichi AkitaDepartment of Clinical Anatomy, Tokyo Medical and Dental University, Tokyo, Japan.
Niels HammerDepartment of Macroscopic and Clinical Anatomy, Medical University of Graz, Graz, Austria. niels.hammer@medunigraz.at.
University of Otago · NZMedical University of Graz · ATTokyo Medical and Dental University · JPUniversity Medical Center Hamburg-Eppendorf · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Highly regular aligned trabeculae are found in the superficial posterior and inferior calcaneus appearing to connect the Achilles tendon (AT) to the plantar fascia (PF) in a bridge-like manner. This provides a morphological basis for the stretching-based heel pain treatment. However, the continuity of collagen fibres between the AT and the PF remains debated controversially to date. The given study morphologically investigated the AT-calcaneus-PF complex using histology and plastination. Moreover, the AT-calcaneus-PF complex was biomechanically mapped based on 13 sub-regions with a total of 76 tested samples. Regular calcaneal trabeculae were surrounded by tendon-like collagen fibre bundles and adipocytes. The orientation of calcaneal trabeculae was further closely related to the course of the PF collagen fibre bundles. The pooled biomechanical analysis revealed low elastic moduli (minimum = 4 MPa) and ultimate tensile strengths of the decalcified calcaneal samples (minimum = 0.4 MPa) and the calcaneal periostea (minimum = 2 MPa) and high respective values (elastic modulus maximum of 144 MPa; ultimate tensile strength maximum of 29 MPa) for the PF samples compared to the other sub-regions. This study provides structural evidence for a morphological connection between the AT and PF via the highly aligned calcaneal trabeculae of the posterior calcaneus. The AT-calcaneus-PF complex was biomechanically mapped to allow for an assessment of its site-dependent mechanical characteristics.

Indexed as

Achilles TendonAnimalsBiomechanical PhenomenaBiomedical EngineeringCalcaneusFasciitis, PlantarHumansMuscle, SkeletalTendons

Identifiers

PMID32884015
PMCPMC7471908
OpenAlexW3083657584

What OpenQuestion holds

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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.