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Online Journal «ABOUT ROUND LIGAMENT OF FEMUR», November 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 »»»                                                                                  .


01.11.2025  
A separate section Artificial Intelligence has been created. 

   

ZOOLOGY AND PALEONTOLOGY »»»                                                         .


02.11.2025
1889EckerA The author points out the presence of the LCF in the frog and the presence of a similar structure in the shoulder joint. 
1934FrancisETB The author points out that the salamander has two acetabular ligaments, analogous to the LCF. 



MORPHOLOGY AND TOPOGRAPHY »»»                                                    .


22.11.2025 
1784CheseldenW The author draws attention to the role of LCF in counteracting hip dislocation and maintaining the femoral head in the joint (XII-th ed.). 
1848HarrisonR The author discusses the anatomy, topography, and role of the LCF. 
1840HarrisonR  The author describes the anatomy, topography, dimensions, attachment, and role of the LCF.
17.11.2025 
2025SrinivasanS_SakthivelS The article is devoted to the morphology of LCF in the Indian population.  
16.11.2015 
2024StetzelbergerVM_TannastM The authors found low LCF strength in patients with femoroacetabular impingement. 
1996ChenHH_LeeMC The authors investigate the strength of the LCF in avascular necrosis and femoral neck fracture.
02.11.2025 
1953LangA_BalintJ The authors discuss the arterial vessels of the LCF and the blood supply to the femoral head.



ANCIENT MENTIONS »»»                                                                                .


18.11.2025
11.11.2025 
2025ArkhipovSV_ArkhipovaLN. Who, When, and Where Wrote the Book of Genesis?



DISEASES AND INJURIES »»»                                                                          .




Biblical damage »»»                                                                                  .


08.11.2025
1906HartmannO Sketch of a painting. Drawing depicting the circumstances and mechanism of the LCF injury. 
1668Augsburg Painting, Drawing depicting the circumstances and mechanism of the LCF injury. 
1665RosaS Painting. Drawing depicting the circumstances and mechanism of the LCF injury.
07.11.2025
1608Peter-Pauls-Kirche Painting on wood, Drawing depicting the circumstances and mechanism of the LCF injury. 
1701English_Bible Engraving. Drawing depicting the circumstances and mechanism of the LCF injury.
1635Auferstehungskirche Painting, Drawing depicting the circumstances and mechanism of the LCF injury.   
06.11.2025
1943DixO. Painting, Drawing depicting the circumstances and mechanism of the LCF injury. 

1720CretiD Sketch. Drawing depicting the circumstances and mechanism of the LCF injury.
1720CretiD.2 Sketch. Drawing depicting the circumstances and mechanism of the LCF injury. 
18c.CretiD Painting. Drawing depicting the circumstances and mechanism of the LCF injury.
05.11.2025
1728GouwenG. Engraving, Drawing depicting the circumstances and mechanism of the LCF injury.
04.11.2025
1632Hamburg. Tapestry. Drawing depicting the circumstances and mechanism of the LCF injury.
03.11.2025
1923LilienM Painting, Drawing depicting the circumstances and mechanism of the LCF injury. 
17c.AntolinezF Painting. Drawing depicting the circumstances and mechanism of the LCF injury.
 
17c.MoyaertN Engraving. Drawing depicting the circumstances and mechanism of the LCF injury. 
17c.MaupercherH Engraving. Drawing depicting the circumstances and mechanism of the LCF injury.



BIOMECHANICS AND MORPHOMECHANICS »»»                                   .


17.11.2025 
2025ChenJH_AcklandD The authors experimentally demonstrated the role of the LCF in unloading the upper sector of the acetabulum and the femoral head.
2024GillHS To clarify the role of LCF, the author recommends a combination of experimental studies with computer modeling. 

  


ARTIFICAL INTELLIGENCE »»»                                                                  .


01.11.2025 
Role of LCF, analogy by Impact Hub. AI-powered "analogy" generation. 



LCF on Social Media »»»                                                                           .


20.11.2025
Rational-Critical Theology as a Catalyst for a New Reformation.
12.11.2025
Testing of the pathology of the #ligamentum_capitis_femoris. Catalog.
11.11.2025
Our article: Who, When, and Where Wrote the Book of Genesis? A Medical Hypothesis.
01.11.2025
Quotes from articles and books published in October 2025 mentioning the LCF.

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13.11.2025
Abstract. Who, When, and Where Wrote the Book of Genesis? A Medical Hypothesis
12.11.2025
Testing of the pathology of the ligamentum capitis femoris. Catalog.
11.11.2025
Arkhipov S.V., Arkhipova L.N. Who, When, and Where Wrote the Book of Genesis? A Medical Hypothesis.

 

LCF Publication Digest »»»                                                                    .


01.11.2025 
LCF in 2025 (October) Quotes from articles and books published in October  2025 mentioning the LCF. 



Previous Issues »»»                                                                                       .


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



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Vertebrates

VERTEBRATES According to the molecular clock, a specific method for dating phylogenetic events, vertebrates (Vertebrata) separated from arthropods (Arthropoda) 976±97 Ma (2004HedgesSB_ShoeJL). The latter began to dominate in species diversity with the Cambrian burst of radiation, which occurred 520 Ma (2010EdgecombeGD). This ratio in the fauna of the Earth is still preserved. Approximately 525 Ma, the phylum Chordates separated from the group of bilaterally symmetrical animals (1995ChenJY_ZhouGQ). In turn, the evolution of chordate organisms led to the formation of the first vertebrates at least 500 Ma, from which the jawed mouths 450-400 Ma descended, becoming the ancestors of the placoderms or "armored" fish (Placodermi) (1979 НаумовНП _ КарташевНН ). Sculptural reconstruction of the placoderm Coccosteus from the order Arthrodires, Middle Devonian, 393.3-382.7  Ma ; exposition of the Orlov Paleontological Museum (Moscow); photo by the author. The first cartilaginou...
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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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1990HarveyB

  Harvey B, sculpture, Jacob wrestling with the angel (ca. 1990).   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 ). Bessie Harvey – tree root sculpture Jacob Wres tling with the Angel (ca. 1990); original in the high.org collection (Fair...
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1943SinzWA

  Sinz WA , s culpture Jacob and the Angel (1943).   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 ). Walter A. Sinz – Jacob and the Angel (1943). Ceramic. Gift of Hilda Kisella (2007.187) ; original in clevelandart.org   collect...
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2008ArkhipovSV

  On the Role of the Ligamentum Capitis Femoris  in the Maintenance of Different Types of Erect Posture S.V. Arkhipov Keywords: ligamentum capitis femoris, ligamentum teres, ligament of head of femur, abductor muscle group, role,  function, hip joint, model, biomechanics, walk, gait cycle, single-legged stance  ABSTRACT New experimental and clinical data on the function of the ligamentum capitis femoris (LCF) and its participation in maintaining an erect posture were obtained. It was established that this anatomical element is involved in constraining the hip joint adduction and may fi x the joint in the frontal plane, turning it into an analogue of a second-class lever. In both unstrained one-support and asymmetrical two-support orthostatic postures, when the LCF is stretched and the abductor muscle group is exerted, a load equal to the body weight is evenly distributed between the upper and lower hemispheres of the caput femoris. In addition, the LCF fu...
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1132Sant’Orso

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1753TarinP

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20c.WikstromB

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1531SteucoA

   Content [i]   Annotation [ii]   Original text (in  Latin) [iii]   English translation [iv]   Source  &  links [v]   Notes [vi]   Authors & Affiliations [vii]   Keywords [i]   Annotation Fragments from the book: Steuco A . Augustini Steuchi Eugubini Veteris Testamenti ad ueritatem Hebraicam recognitio (1531). The author discusses the term ligamentum capitis femoris (LCF) in the book of Genesis and notes that this structure serves a supporting and motor function and, when injured, causes lameness. The text in Russian is available at the following link: 1531SteucoA . [ii]   Original text (in   Latin) Quote p. 308 Tetigit neruum fœmoris כַּף יְרֵבוּ id est Latitudinem coxæ asseruntqs. Hebræi significare hoc loco latum os coxæ: ut ab Auen Esdra quoqs annotatu est : in ea parte neruus coxæ est : at qs hoc est quòd post neruū arefactum claudicabat Iacob. Nõ enim neruus hoc loco, membrű genitale significat: q...
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