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Online Journal «ABOUT ROUND LIGAMENT OF FEMUR», July 2025

 


The journal is dedicated to the
ligamentum capitis femoris (LCF)
and related topics

 

About the Journal »»»                                                                             .


The online journal «About Round Ligament of Femur» was created based on the scientific blog of the same name. The resource is the English-language part of the project: 


Updates: As new materials are prepared.
Mission: Popularization and preservation of knowledge about LCF, as well as promoting its practical application.
Main goal: Improvement of diagnosis, treatment, and prevention of injuries and diseases of the hip joint.
Publisher: Arkhipov S.V., independent researcher, PhD, orthopedic surgeon.
Reviewers:
  1. Grok, an artificial intelligence developed by xAI.
  2. ChatGPT, a language model trained by OpenAI to assist with text analysis and editing. 


Announcements »»»                                                                                  .


28.076.2025  Supplementing the set of classifications: Topography of the Acetabular Canal. Classification



BIOMECHANICS AND MORPHOMECHANICS »»»                                   .


03.07.2025 Arkhipov SV. Critical mass of consensus: Opinions on the importance of ligamentum capitis femoris (XX-XXI century), 2025.



MORPHOLOGY AND TOPOGRAPHY »»»                                                    .


24.07.2025 1897RauberA The author discusses the anatomy and role of the LCF, suggesting that it stimulates the production of synovial fluid.  
24.07.2025 1934BökerH The author discusses the attachment, role and movement of the LCF.. 
21.07.2025 1882NuhnA The author discusses the anatomy and role of the LCF, considering it a synovial formation, a source of synovial fluid.
16.07.2025 1920FrazerJES The author describes the attachment and development of the LCF, as well as its role as a vascular and nerve conductor.
14.07.2025 1930PhemisterDB. The author discusses the involvement of the LCF arteries in the blood supply and metaplasia of the femoral head. 
09.07.2025 1895SiraudM The author discusses the involvement of the LCF arteries in the blood supply of the femoral head. 
08.07.2025 1844NelatonA. According to the author, the LCF does not hold the femoral head in the acetabulum, but it is involved in its blood supply. 
   

DISEASES AND INJURIES »»»                                                                          .


14.07.2025 1934WaldenstromJ The author suggests a connection between damage to the vessels of the LCF and the phenomena of aseptic necrosis of the femoral head during epiphysiolysis. 
10.07.2025 1910BrausH The author briefly discusses the pathological changes of the LCF in congenital hip dislocation.  
10.07.2025 1921BrausH The author describes the anatomy, attachment, shape, properties and changes in pathology of the LCF. 
09.07.2025 1865MartinF_CollineauAC The book discusses the role of ligamentum capitis femoris (LCF) and its changes in hip joint pathology. 
08.07.2025 1844PetrequinJE. The author discusses the role, attachment, shape, and pathological changes of LCF. 



Biblical damage »»»                                                                                  .


25.07.2025 
1244Crusader_Bible Miniature. Drawing depicting the circumstances and mechanism of the LCF injury.
09.07.2025
1865MartinF_CollineauAC The book discusses the role of ligamentum capitis femoris (LCF) and its changes in hip joint pathology.


LCF on Social Media »»»                                                                           .


08.07.2025 Tweet of July 8 2025 

31.07.2025
Supplementing to the section «Set of Classifications»: «Topography of the Acetabular Canal» 
28.07.2025 
Catalog of reviews on the history of the study of the main functions of ligamentum capitis femoris (LCF). “New” ideas of modern researchers often have their origins in the past. It is planned to supplement the sections with relevant information, follow the updates. 
06.07.2025 
A PDF version of the article is available for download: Critical mass of consensus: Opinions on the importance of ligamentum capitis femoris (XX-XXI century). DOI: 10.13140/RG.2.2.15953.03686
03.07.2025 
Critical mass of consensus: Opinions on the importance of ligamentum capitis femoris (XX-XXI century), 2025. Abstract.  



LCF Publication Digest »»»                                                                    .


01.07.2025 LCF in 2025 (June)


Previous Issues »»»                                                                                       .


Online Journal «ABOUT ROUND LIGAMENT OF FEMUR», June 2025



BLOG CONTENT

ONLINE JOURNAL

NEWS


                                                                                                          


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Set of Classifications

  General Classification of LCF Pathology Version : 20240420 Annotation Analysis of literature data and our own morphological observations allowed us to propose a General Classification of LCF Pathology. Introduction In Russia, the initial attempts to classify pathology of the ligamentum capitis femoris (LCF) were made by morphologists. L.I. Gaevskaya distinguished three types of LCF: 1) long and thick (length 41–51 mm, thickness 5 mm), 2) short and thin (length 10–20 mm, thickness 1 mm), 3) long and of small thickness (length 43–45 mm, with a thickness of 3 mm, and length 28–30 mm with a thickness of 4–5 mm) (1954 ГаевскаяЛИ ). V.V. Kovanov, A.A. Travin identified three varieties of histological structure of LCF: 1) with a predominance of loose connective tissue; 2) with a predominance of dense connective tissue; 3) with a uniform distribution of loose and dense connective tissue ( 1963 КовановВВ _ ТравинАА ). The development of arthroscopic surgery has made it possible to i...
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Topography of the Acetabular Canal

   Version : 20250728 Topography of the Acetabular Canal Side Femoral (lateral) Pelvic (medial)   Contents Synovial fluid Ligamentum capitis femoris (LCF) White adipose tissue Loose connective tissue Synovial membrane Transverse acetabular ligament Arteries Veins Nerves Lymphatic vessels   Sections Peripheral section Central section Subsynovial section Suprasynovial section   Peripheral Section Entrance foramen -- Upper edge -- Lower edge -- Anterior edge -- Posterior edge External segment (subligamentous) - Superior wall - Inferior wall - Posterior wall - Anterior wall Internal segment (extraligamentous) - Subsynovial part (tier) -- Superior wall -- Inferior wall -- Posterior wall -- Anterior wall - Suprasinovial part (tier) -- Superior wall -- Inferior wall -- Posterior wall -- Anterior wall   Central Section Iliac recess Ischial recess Subsynovial part (tier) - Outer margin - Medial wall - Lateral wall - Anteroinferior wall - Posteroinferior wall - Supra...
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LCF in 2025 (July)

    LCF in 2025 ( July )   (Quotes from articles and books published in July 2025 mentioning the ligamentum capitis femoris.) Tekcan, D., Bilgin, G., & Güven, Ş. Evaluation of Risk Factors for Developmental Dysplasia of the Hip. HAYDARPAŞA NUMUNE MEDICAL JOURNAL , 65 (2), 99-103.   [i]   jag.journalagent.com   Domb, B. G., & Sabetian, P. W. (2025). Greater Trochanteric Pain Syndrome: Gluteal Tendinopathy, Partial Tear, Complete Tear, Iliotibial Band Syndrome, and Bursitis. In Orthopaedic Sports Medicine (pp. 1-17). Springer, Cham.   [ii]   link.springer.com   Kuhns, B. D., Becker, N., Patel, D., Shah, P. P., & Domb, B. G. (2025). Significant Heterogeneity in Existing Literature Limits Both Indication and Outcome Comparability Between Studies Involving Periacetabular Osteotomy For Acetabular Dysplasia With or Without Arthroscopy Despite Improvement for Both: A Systematic Review. Arthroscopy .   [iii]   ...
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BLOG CONTENT

  T he ligament of the head of femur or ligamentum capitis femoris (LCF) is the key to a graceful gait and understanding the causes of hip joint diseases. We present promising scientific knowledge necessary for preserving health,  to create new implants and techniques  of treating degenerative  pathology and damage of the hip joint. Project objective : preserving a normal gait and quality of life, helping to study of hip joint biomechanics, developing effective treatments for its diseases and injuries. In translating to English, the author is assisted by ChatGPT (version 3.5)  and the Google Translate service .  We're sorry for any flaws in the syntax. The meaning makes up for the imperfections!     TABLES OF CONTENTS    Acetabular Canal   (Anatomy, topography and significance of the functioning area of ​​the ligamentum capitis femoris) Acetabular Canal.  Part 1.   This article describes the space where the ligam...
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Online Journal «ABOUT ROUND LIGAMENT OF FEMUR», June 2025

  The journal is dedicated to the ligamentum capitis femoris (LCF) and related topics   About the Journal   »»»                                                                                . The online journal  « About Round Ligament of  Femur »   was created based on the scientific blog of the same name. The resource is the English-language part of the project:  ONLINE JOURNAL:  Ligamentum capitis femoris .   Updates:  As new materials are prepared. Mission :   Popularization and preservation of knowledge about LCF, as well as promoting its practical application. Main goal:  Improvement of diagnosis, treatment, and prevention of injuries and diseases of the hip joint. Publisher:  Arkhipov S.V., independent researc...
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1864MacalisterA

  Content [i]   Annotaction [ii]   Original in  English [iii]   Translated into  German [iv]   Illustrations [v]   Source  &  links [vi]   Notes [vii]   Authors & Affiliations [viii]   Keywords [i]   Annotaction Fragment of the article: Macalister A. On the anatomy of the ostrich (Struthio camelus) (1864). The author observed ligamentum capitis femoris (LCF) in an ostrich. Its strength is noted, and its shape is described. Translation into Russian is available at the link: 1864MacalisterA .  [ii]   Original in  English   Quote, p. 22 The articulations of the lower extremity present many points of mechanical importance. The first, or the hip, is an enarthrosis, surrounded by a capsule, loose, expanding inferiorly; the synovial membrane spreads over the great trochanter; a strong transverse band passes from the border of the lesser sciatic notch to the upper and posterior edge of the acetab...
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1835CooperAP

  Fragments of the book Cooper AP. Lectures on the Principles and Practice of Surgery (1835) dedicated to ligamentum capitis femoris (LCF). The author discusses LCF injury during hip dislocation and notes the important role of its blood vessels in supplying the femoral head.   Quote p. 577 DISLOCATIONS OF THE HIP JOINT … It generally happens when the thighs are widely separated from each other, that the ligamentum teres and capsular ligament are torn through, and the head of the bone is situated on the obturator externus muscle at the inner and back part of the thigh. Quote pp. 584-585 ON DISLOCATIONS OF THE THIGH BONE … But the third and principal reason is, the almost entire absence of ossific union in the head of the bone when detached from its cervix. The principal supply of blood to the head of the bone being derived from the ligamentum teres, which has only a few minute vessels ramifying from it on the bone, the natural supply of blood for the neck and head ...
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Online Journal «ABOUT ROUND LIGAMENT OF FEMUR», May 2025

  The journal is dedicated to the ligamentum capitis femoris (LCF) and related topics   About the Journal   »»»                                                                                . The online journal  « About Round Ligament of  Femur »   was created based on the scientific blog of the same name. The resource is the English-language part of the project:  ONLINE JOURNAL:  Ligamentum capitis femoris .   Updates:  As new materials are prepared. Mission :  Popularization and preservation of knowledge about LCF, as well as promoting its practical application. Main goal:  Improvement of diagnosis, treatment, and prevention of injuries and diseases of the hip joint. Publisher:  Arkhipov S.V., independent research...
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OLDEST SYNONYMS

  There are more than 100 terms for ligamentum capitis femoris. The oldest synonyms:   Sumer (ca. 5500 – ca. 2004 BCE): [sa] [Eng] 911-612bcK2453 https://roundligament.blogspot.com/2024/09/911-612bck2453.html For more details, see the comment from: [Rus] 911-612bcK2453 https://kruglayasvyazka.blogspot.com/2024/09/911-612bck2453.html   Ancient Egypt (ca. 3150 BC – 332 BCE): [mt /met] [Eng] 1650-1550bcImhotep the Younger https://roundligament.blogspot.com/2024/09/1650-1550bcimhotep-younger.html For more details, see the comment from: [Rus] 1650-1550bcImhotep the Younger   https://kruglayasvyazka.blogspot.com/2024/09/1650-1550bcimhotep-younger.html   Akkadian Empire (ca. 2334 – 2154 BCE): [nimsu]   [Eng] 2000-1600bcBM29663 https://roundligament.blogspot.com/2024/09/2000-1600bcbm29663.html For more details, see the comment from: [Rus] 2000-1600bcBM29663 https://kruglayasvyazka.blogspot.com/2024/09/2000-1600bcbm29663.html   Ancient Israel and Judah (ca...
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Online Journal «ABOUT ROUND LIGAMENT OF FEMUR», February 2025

    SCIENTIFIC THEMATIC ONLINE JOURNAL « About Round Ligament of Femur » February, 2025 The publication is dedicated to the ligamentum capitis femoris (LCF) and related topics.   About the Journal The online journal  « About Round Ligament of  Femur »   was created based on the scientific blog of the same name. Updates: As new materials are prepared.  Purpose:  Popularization and preservation of knowledge about LCF, as well as promoting its practical application. Main goal: Improvement of diagnosis, treatment, and prevention of injuries and diseases of the hip joint.   Announcements 25.02.2025 A Facebook group « LIGAMENTUM CAPITIS FEMORIS »  has been created.  26.02.2025 The scientific blog « About Round Ligament of Femur » has been transformed into an online journal of the same name.   Surgical Treatment ...
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