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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 »»»                                                                                  .


28.07.2025  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



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1902RilkeRM

    Works of art that mention ligamentum capitis femoris (LCF) are extremely rare. One such work is the poem «Der Schauende» ( He Who Visions, The Seer, The Man Watching, The Beholder)  b y Rainer Rilke. Below is the original text in German.   Der Schauende 1. Ich sehe den Bäumen die Stürme an, die aus laugewordenen Tagen an meine ängstlichen Fenster schlagen, und höre die Fernen Dinge sagen, die ich nicht ohne Freund ertragen, nicht ohne Schwester lieben kann. 2. Da geht der Sturm, ein Umgestalter, geht durch den Wald und durch die Zeit, und alles ist wie ohne Alter: die Landschaft, wie ein Vers im Psalter, ist Ernst und Wucht und Ewigkeit. 3. Wie ist das klein, womit wir ringen, was mit uns ringt, wie ist das groß; ließen wir, ähnlicher den Dingen, uns so vom großen Sturm bezwingen, - wir würden weit und namenlos. 4. Was wir besiegen, ist das Kleine, und der Erfolg selbst macht uns klein. Das Ewige und Ungemeine will nicht von uns gebogen sein. Das ist der Enge...
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1730CheseldenW

  Fragments from the book Cheselden W. The Anatomy of the Human Body (1730). The author draws attention to the role of ligamentum capitis femoris (LCF) in counteracting hip dislocation and maintaining the femoral head in the joint. The work notes that the LCF is “powerful” and “short” - “about two inches” i.e. approximately 5 cm! This error will be corrected  in a subsequent treatise  ( 1733CheseldenW ) .   Quote pp. 43 - 44 Chap. VII. Of the Ligaments At the upper part of the articulation of the Os Femoris and Os Innominatum, is a strong ligament of great consequence; it contributing very much to preserve that joint from being luxated by the weight of the body. And from the lower edge of the Acetabulum of the Os Innominatum, runs a ligament to the middle of the head of the Os Femoris, about two inches long (which the Motion in this joint requires) called Teres, or Rotundum, whose use is to prevent the Os Femoris from being luxated upwards, but down wards it will le...
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LCF in 2026 (May)

LCF in 2026 (May )  (Quotes from articles and books published in May   2026 mentioning the ligamentum capitis femoris)   Kim, P. S., Kang, C., Lee, J. K., & Hwang, J. M. (2026). Hip arthroscopy to treat symptomatic paralabral cysts: a retrospective analysis of clinical outcomes. Arthroscopy and Orthopedic Sports Medicine , 13 (1), 27-34.     [i]     e-aosm.org   Ko, H. Y. (2026). Vascular Anatomy of the Extremities and Lungs. In Practical Functional Anatomy for Spinal Cord Injury Rehabilitation: A Guide for Physiatrists and Rehabilitation Specialists (pp. 191-223). Singapore: Springer Nature Singapore.      [ii] link.springer.com   Aiba, H., Yamaguchi, M., Kimura, H., & Murakami, H. (2026). Advances in limb-salvage surgery and reconstruction for pediatric bone and soft tissue tumors. Frontiers in Pediatrics , 14 , 1817788.      [iii]     pmc.ncbi.nlm.nih.gov   Bajwa, A., Villar, R., ...
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1851HyrtlJ

  The author expresses a classic view on the functions of the ligamentum capitis femoris (LCF): a conductor of blood vessels and a limiter of adduction of the femur. J. Hyrtl believed that it was impossible to completely dislocate the hip without tearing the LCF. Hyrtl J. Lehrbuch der Anatomie des Menschen, mit Rücksicht auf physiologische Begründung und praktische Anwendung. Wien: W. Braumüller, 1851. [fragment] Quote p. 265 In der Höhle des Gelenks liegt das runde Band des Schenkelkopfes (Lig. teres), welches an der Incisura acetabuli entspringt, und bei richtiger Neigung des Beckens, senkrecht zur Grube des Schenkelkopfes aufsteigt. Es beschränkt dieses Band die Zuziehung des Schenkels, und schreibt zugleich den durch die Incisura acetabuli eindringenden Blutgefässen den Weg vor, den sie zum Oberschenkelkopfe zu nehmen haben. Da das Band, wenn es in die Höhle des Gelenkes vorragen würde, durch Reibung viel zu leiden hätte, so...
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Human Children. Retelling of Chapter 14

  Short retelling of chapter 14 of the essay: Arkhipov S.V. Human Children: The Origins of Biblical Legends from a Physician's Perspective. Joensuu: Author's Edition, 2025. [In Russian]  Chapter 14. ESAU AND JACOB At 40, Isaac marries Rebekah, his cousin’s daughter. Their marriage is long childless until Rebekah conceives twins, detected prenatally, possibly by her large belly or palpation. Genesis states that at 60, Isaac fathers the twins, born naturally after 20 years of marriage. The first, Esau, emerges “red, all hairy like a cloak,” followed by Jacob, unremarkable but grasping Esau’s heel. Over time, their differences deepen: Esau, a skilled hunter, roams fields; Jacob, gentle, stays in tents. Famine forces the family from “Beer-Lahai-Roi” in the Negev to “Gerar’s Philistine king,” then to “Gerar’s valley,” and finally to Beersheba. At 40, Jacob, urged by Rebekah, deceives blind Isaac to steal Esau’s inheritance, sparking enmity. Rebekah advises Jacob to flee to rela...
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16с.Archangel_Michael

    Icon «Michael the Archangel (in deeds)», stigma «The struggle of Jacob with the angel» (16th cent.).   Depicting the  circumstances and mechanism of the ligamentum capitis femoris (LCF) injury based on the description in the Book of Genesis:  25 And Ja cob was left alone; and there wrestled a man with him until the breaking of the day.  26 And when he saw that he could not pre vail against him, he struck against the hollow of his thigh ; and the hollow of Jacob's thigh was put out of joint, as he was wrestling with him. … 33 Therefore do the children of Israel not eat the sinew which shrank, which is upon the hollow of the thigh, unto this day; because he struck against the hollow of Jacob's thigh on the sinew that shrank.  ( 1922LeeserI , Genesis (Bereshit) 32:25-26,33) More about the plot in our work:  Ninth month, eleventh day  ( 2024АрхиповСВ. Девятый месяц, одиннадцатый день ). Unknown author – Icon «Michael the Archangel (in deeds)»...
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1626BartholinC

  Fragment from the book Bartholin C. Anatomicae Institutiones Corporis Humani (1626). The author describes the anatomy, topography, geometric and mechanical properties of the ligamentum capitis femoris (LCF). The term «terete» (rounded) is used to indicate its geometry. The term «cartilagine» (cartilaginous) is used to describe the hardness of the LCF, and the analogy of «nervus esset cartilaginosus» (like a cartilaginous sinew) is given. Similar terminological elements are present in the works of Galen of Pergamon and Theophilus Protospatharius ( 2020ArkhipovSV_ProlyginaIV ). See the previous edition at the link:  1611BartholinC   Quote p. 409 [Lat] Cap. XXI. DE OSSIBUS TOTIUS PEDIS. … I. Est caput maximum & rotundum, ex appendice factum, quod in coxendicis acetabulum inseritur, & duplici ligamento cum coxendice nectitur: uno communi, lato, membraneo, sed satis crasso, orbiculatum articulum ambiente; altero terete, quasi cartilagine (ac si nervus esset cart...
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1905BardeenCR

  An excerpt from the article by Bardeen CR. Studies of the development of the human skeleton (1905). The author briefly discusses the emergence of the ligamentum capitis femoris (LCF). Quote p. 287 The hip-joint is represented at first by a dense mass of scleroblastema, Fig. 55. The development of the acetabulum by ingrowth and fusion of processes from the iliac, ischial and pubic cartilages has already been described. The cartilagenous joint-cavity is at first quite shallow, Fig. 56. But extension of cartilage into the blastemal tissue which passes from the pelvis over the head of the femur serves greatly to deepen it on all sides except in the region of the cotyloid notch. The joint-cavity is at first completely filled with a dense blastemat tissue, Fig. 56. While the embryo is growing from 20 to 30 mm. in length cavity formation begins in the tissue lying between the cartilagenous floor of the acetabulum and the head of the femur. The first stage in the process is marked by a c...
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1720RuyschF

  The author draws attention to the well-developed blood supply of the acetabular fossa, as well as the ligamentum capitis femoris (LCF). In the work, it is referred to as the «ligamentum nerveo-cartilagineum», which literally means the tough cartilaginous ligament and implies its strength. With the difficulty of accessing the acetabular fossa, and therefore the LCF, Frederik Ruysch associates the inefficiency of treating hip joint pain. The writer presumably implies osteoarthritis. In our opinion, its development is initiated by the pathology of the LCF ( 2012АрхиповСВ ). The discussed work includes a black and white drawing of the LCF of a child, made by the illustrator Jan Wandelaar. In color, the same preparation, but from a different angle, was depicted by the artist Jan l'Admiral in a separate publication ( 1738LadmiralJ ). Ruysch F. Adversarium anatomico-medico-chirurgicorum decas secunda. In quâ varia notatu digna recensentur. Cum figuris aeneis. Amsterdami: a...
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Human Children. Retelling of Chapter 1

      Short retelling of chapter 1 of the essay: Arkhipov S.V. Human Children: The Origins of Biblical Legends from a Physician's Perspective. Joensuu: Author's Edition, 2025. [In Russian]  Chapter 1. THE BEGINNING OF THE WORLD The Bible stands as a remarkable testament to religious and philosophical thought, passed down through the ages with minimal alterations. At its core lies a collection of texts rooted in the sacred writings of Jewish and Samaritan traditions, known as the Torah, meaning "Law" or "Teaching." In its narrowest sense, the Torah comprises the first five books of the Hebrew Bible, collectively called the Tanakh—an acronym derived from the Hebrew terms for "Law/Teaching" (Torah), "Prophets" (Nevi’im), and "Writings" (Ketuvim). Beyond this Written Torah, there exists an Oral Torah, which includes the Mishnah, Talmud, and Midrash, offering interpretations and expansions of the written texts. The Written Torah it...
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