Evidence map›Paper›PMID 28727745›Full record

ArticlePloS one2017

Evaluation of tissue displacement and regional strain in the Achilles tendon using quantitative high-frequency ultrasound.

Stijn Bogaerts, Catarina De Brito Carvalho, Lennart Scheys, Kaat Desloovere, Jan D'hooge, Frederik Maes, Paul Suetens, Koen Peers

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07623408 (The Effect of Foot Positioning During a 12-week Supervised Training Program on Achilles Tendon Mechanics and Function in Individuals With Mid-portion Achilles Tendinopathy.), which is not on this map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
4.0field-weighted citation impact, top 6% 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.

NCT07623408 narecruitingnot on this mapstarted 2026, after this paper: background citation

The Effect of Foot Positioning During a 12-week Supervised Training Program on Achilles Tendon Mechanics and Function in Individuals With Mid-portion Achilles Tendinopathy.

TypeinterventionalSponsorKU LeuvenRan2026 to 2027Enrolled60ConditionsAchilles Tendinopathy (AT)Arms12-week adaptive, load-based exercise therapy protocol for Achilles Tendinopathy
3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 44 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. 3D characterization of the triple-bundle Achilles tendon from in vivo high-field MRI.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2023
    Article
  5. Article
  6. Review
  7. Article
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  9. Review
  10. Non-Invasive Ultrasound Quantification of Scar Tissue Volume Identifies Early Functional Changes During Tendon Healing.Journal of orthopaedic research : official publication of the Orthopaedic Research Society · 2019
    Article
  11. Review
  12. Article
  13. Biplanar ultrasound investigation ofTranslational sports medicine · 2019
    Article
  14. Article
  15. Article
  16. Article
  17. 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

8 authors at 2 institutions in 1 country.

Stijn BogaertsDepartment of Development & Regeneration, KULeuven / Department of Physical Medicine & Rehabilitation, University Hospitals Leuven, Leuven, Belgium.ORCID http://orcid.org/0000-0001-5708-2439
Catarina De Brito CarvalhoESAT/PSI & UZ Leuven, MIRC, KULeuven and University Hospitals Leuven, Leuven, Belgium.
Lennart ScheysDepartment of Development & Regeneration, Institute for Orthopedic Research and Training (IORT), KULeuven / Division of Orthopedics, University Hospitals Leuven, Leuven, Belgium.
Kaat DesloovereClinical Motion Analysis Laboratory, Department of Rehabilitation Sciences, KULeuven and University Hospitals Leuven, Leuven, Belgium.
Jan D'hoogeDepartment of Cardiovascular Sciences, University Hospitals Leuven, Leuven, Belgium.
Frederik MaesESAT/PSI & UZ Leuven, MIRC, KULeuven and University Hospitals Leuven, Leuven, Belgium.
Paul SuetensESAT/PSI & UZ Leuven, MIRC, KULeuven and University Hospitals Leuven, Leuven, Belgium.
Koen PeersDepartment of Development & Regeneration, KULeuven / Department of Physical Medicine & Rehabilitation, University Hospitals Leuven, Leuven, Belgium.
KU Leuven · BEUniversitair Ziekenhuis Leuven · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The Achilles tendon has a unique structure-function relationship thanks to its innate hierarchical architecture in combination with the rotational anatomy of the sub-tendons from the triceps surae muscles. Previous research has provided valuable insight in global Achilles tendon mechanics, but limitations with the technique used remain. Furthermore, given the global approach evaluating muscle-tendon junction to insertion, regional differences in tendon mechanical properties might be overlooked. However, recent advancements in the field of ultrasound imaging in combination with speckle tracking have made an intratendinous evaluation possible. This study uses high-frequency ultrasound to allow for quantification of regional tendon deformation. Also, an interactive application was developed to improve clinical applicability. A dynamic ultrasound of both Achilles tendons of ten asymptomatic subjects was taken. The displacement and regional strain in the superficial, middle and deep layer were evaluated during passive elongation and isometric contraction. Building on previous research, results showed that the Achilles tendon displaces non-uniformly with a higher displacement found in the deep layer of the tendon. Adding to this, a non-uniform regional strain behavior was found in the Achilles tendon during passive elongation, with the highest strain in the superficial layer. Further exploration of tendon mechanics will improve the knowledge on etiology of tendinopathy and provide options to optimize existing therapeutic loading programs.

Indexed as

UltrasonographyAchilles TendonAdultFemaleHumansIsometric ContractionMaleMovementReproducibility of ResultsSignal Processing, Computer-Assisted

Identifiers

PMID28727745
PMCPMC5519157
OpenAlexW2738746950

What OpenQuestion holds

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Registered trials

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.