ABOUT THE PROJECT

The blog is dedicated to the ligament of the head of femur, known in Latin as ligamentum capitis femoris (LCF). In our opinion, this is a crucial element of the hip joint, found in the majority of vertebrates, including humans. This structure is significant for the functioning not only of the lower limb but the entire musculoskeletal system. LCF is involved in walking and helps maintain certain types of upright posture. It connects the pelvis and femur, restricts movements, and redistributes the load in the hip region. Dysfunction, displacement of attachment points, and pathological changes in LCF are the initial links in the pathogenesis of hip osteoarthritis, congenital hip dysplasia, congenital dislocation of the hip, aseptic (avascular) necrosis, and femoral head osteochondropathy. Preventing or interrupting the development of these disabling conditions could be achieved through successful therapeutic and surgical treatment of LCF pathology with normalizing its functioning.

The creation of blog articles we are guided by a scientific approach, involving references to primary sources and verified information. Unlike conventional journal publications, our works imply constant updates. This is because the study of LCF continues to this day, despite its beginning was in Mesopotamia 2000-1600 years before the common era. New facts can not only complement previously written material but also influence conclusions. We advocate for the continuous improvement of the style and form of articles, their correction, expansion, and fragmentation. Such dynamic interactive works, in our view, are a requirement of modern natural science and may soon become a standard. Each blog page has a comments section, providing an opportunity to express opinions. It is expected that specialists knowledgeable in the subject will make use of this. Exchanging views will enhance the exploration of the topic and encourage participants in the discussion to conduct their own research. Questions and critical remarks to the author are welcomed!

With sincere respect to you,

Sergey Arkhipov

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Translated from Russian in collaboration with ChatGPT (version 3.5, developed by OpenAI) and the Google Translate service.

Original text:

Блог посвящен связке головки бедра, на латинском языке именуемой ligamentum capitis femoris (LCF). По нашему мнению, это важный элемент тазобедренного сустава, который обнаруживается у подавляющего числа позвоночных, включая человека. Данная анатомическая структура значима для функционирования не только нижней конечности, но всей опорно-двигательной системы. LCF задействована при ходьбе и участвует в поддержании отдельных вертикальных поз. Она соединяет таз и бедро, ограничивает движения, а также перераспределяет нагрузку в тазобедренной области. Дисфункция, дислокация мест крепления и патологические изменения LCF – начальные звенья патогенеза коксартроза, дисплазии тазобедренного сустава, врожденного вывиха бедра, асептического некроза и остеохондропатии головки бедренной кости. Предотвратить или прервать развитие этих инвалидизирующих заболеваний могло бы успешное терапевтическое и хирургическое лечение патологии LCF с нормализацией ее функционирования.

При создании статей блога главенствует научный подход, предполагающий ссылки на первоисточники и проверенные сведения. В отличие от общепринятых журнальных публикаций, наши работы подразумевают обновление. Это обусловлено тем, что изучение LCF продолжается до сих пор, несмотря на то, что началось еще в Месопотамии 2000-1600 лет до современной эры. Новые факты способны не только дополнить ранее написанный материал, но и повлиять на выводы. Мы сторонники постоянного улучшения стиля и формы статей, их исправления, увеличения и фрагментации. Подобные динамические интерактивные работы, с нашей точки зрения, – требование современного естествознания и, вероятно, скоро будут стандартом. На каждой странице блога существует раздел комментариев, где представляется возможность высказать мнение. Думается, что этим воспользуются специалисты, сведущие в теме. Обмен суждениями позволит лучше раскрыть тему и будет стимулировать участников дискуссии к собственным исследованиям. Вопросы и критические замечания автору приветствуется!

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1969DeeR

Content [i] Annotation [ii] Original text [iii] Illustrations [iv] Source & links [v] Notes [vi] Authors & Affiliations [vii] Keywords [i] Annotation Article : Dee R. Structure and function of hip joint innervation (1969). The author discusses the nervous system of the ligamentum capitis femoris (LCF) and its role in hip biomechanics. The text in Russian is available at the following link: 1969DeeR . [ii] Original text STRUCTURE AND FUNCTION OF HIP JOINT INNERVATION Arnott Demonstration delivered at the Royal College of Surgeons of England on 4th February 1969 by Roger Dee , M.A., F.R.C.S. Neurologcal Laboratory, Royal College of Surgeons of England, and Department of Orthopaedic Surgery, Middlesex Hospital, London In 1885 JAMES ARNOTT, surgeon to the Middlesex Hospital and one of the founders of its Medical School, endowed a series of lectures to be given at the Royal College of Surge...

1914JonesFW_MorrisH

We are publishing a chapter from the fifth edition of «Morris's Human Anatomy» (1914). A significant portion of it is dedicated to the ligamentum capitis femoris (LCF). The original text has been edited by Wood Jones. Particularly notable are the illustrations depicting the LCF. Some of them are improved drawings by the first author ( 1879MorrisH ). Quote pp. 276-284 1. THE HIP-JOINT Class. — Diarthrosis. Subdivision. — Enarthrodia. The hip is the most typical example of a ball-and-socket joint in the body, the round head of the femur being received into the cup-shaped cavity of the acetabulum. Both articular surfaces are coated with cartilage, that covering the head of the femur being thicker above where it has to bear the weight of the body, and thinning out to a mere edge below; the pit for the ligamentum teres is the only part uncoated, but the cartilage is somewhat heaped up around its margin. Covering the acetabulum, the cartilage is horseshoe-shaped, a...

LCF in 2025 (August)

LCF in 2025 ( August ) (Quotes from articles and books published in August 2025 mentioning the ligamentum capitis femoris) Castro, A., de Melo, C., & Leal, F. (2025). Complications in hip Arthroscopy: Recognizing and managing adverse events. Journal of Clinical Orthopaedics and Trauma , 103144. [i] journal-cot.com Negayama, T., Nishimura, H., Murata, Y., Nakayama, K., Takada, S., Nakashima, H., ... & Uchida, S. (2025). Factors associated with treatment failure after hip arthroscopic surgery for the patient with femoroacetabular impingement secondary to Legg-Calvé-Perthes disease. Journal of ISAKOS , 100937. [ii] jisakos.com Wegman, S. J., Shaikh, H., Brodell Jr, J. D., Cook, P. C., & Giordano, B. D. (2025). Femoral head osteochondral allograft transplantation with and without simultaneous periacetabular osteotomy: a case series. Journal of Hip Preservation Surgery , hnaf037. [iii] ...

1880HyrtlJ

Fragments from the book Hyrtl J. Onomatologia anatomica (1880). The author describes the various synonyms of the ligamentum capitis femoris (LCF), before the entire ligamentum teres. The text is prepared for machine translation using a service built into the blog from Google or your web browser. In some cases, we have added links to quotations about LCF available on our resource, as well as to publications posted on the Internet. Quote p. 279 Im Rufus Ephesius treffen wir Ischium als Hüftgelenk, und als Band, welches den Schenkel mit dem Hüftbein verbindet: καὶ τὸ νεῦρον (Band), καὶ ὃλον τὸ ἄρθρον . ( see 1581CrassoPI; 1879DarenbergCV_RuelleCE; 2020ArkhipovSV_ProlyginaIV). Quote pp. 504-505 Alle übrigen Bänder dieses Namens, wie das Ligamentum suspensorium hepatis, lienis, processus odontoidei, capitis femoris, und mehrere andere, hangen die betreffenden Organe nieht auf, tragensic auch nieht, weil sie nie in die Lage kom...

1976CrelinES

Content [i] Annotation [ii] Original text [iii] Illustrations [iv] Source & links [v] Notes [vi] Authors & Affiliations [vii] Keywords [i] Annotation Article : Crelin ES. An experimental study of hip stability in human newborn cadavers (1976). The author described an experimental study of the role of ligamentum capitis femoris (LCF) in stabilizing the hip joint and its significance for the occurrence of congenital hip dislocation. The text in Russian is available at the following link: 1976CrelinES . [ii] Original text (in German) An Experimental Study of Hip Stability in Human Newborn Cadavers E. S. Crelin Sections of Gross Anatomy and Orthopaedic Surgery, Yale University School of Medicine, New Haven, Connecticut 06510 Received August 21, 1975 The less frequent variety of hip dislocation occurs before birth and may be associated with neuromuscular disorders such as arthrogr...

BIOMECHANICS AND MORPHOMECHANICS

BIOMECHANICS AND MORPHOMECHANICS (On the rela tionship between the mechanics and morphology of the hip joint... ) 1586PiccolominiA One of the first discussions of the biomechanics of the LCF with a description of its shape, mechanical properties and attachment. 1728 WaltherAF The selected excerpt discusses the anatomy, mechanical properties and function of the LCF. 1836WeberW_WeberE Fragments from the book that laid the foundation of biomechanics of the hip joint considering th e LCF. 1836-1840PartridgeR The author compared the LCF, in its function to a leathern straps by which the body of a carriage is suspended on springs . 1856MeyerGH The author of the modern theory of bio mechanics of the hip joint discusses the significant role of the LCF during walking and maintaining an upright posture. 1857TurnerW The fragment of the «Human Anatomy and Physiology» narrates the involvement of the LCF in distri...

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] ...

1679DiemerbroeckI

Fragments from the book Diemerbroeck I. Anatome corporis humani (1679). The author describes the pathology variants, function, topography and attachment of the ligamentum capitis femoris (LCF). The damage to the LCF in hip dislocation, symptoms and treatment are discussed. The text is similar to a paraphrase of Hegetor's work «On Causes» and Galen of Pergamon's commentary on Hippocrates' treatise «On Joints» ( 1745CocchiA ; 2020ArkhipovSV_ProlyginaIV ). Isbrand van Diemerbroeck uses many synonyms for LCF: nervus cartilaginosus, terete, teres, rotundum ligamentum, interius ligamentum. Quote p. 593. [Lat] CAPUT XIX. De Ossibus Femoris, & Cruris. Superius procesum crassum, versus coxendicis os prominentem, eique epiphyin rotundam & amplam impositam habet, sicque globosum femoris caput, valida cervice subnixum, constituit, quod cartilagine obductum in coxendicis acetabulum reconditur, in eoque duobus validis ligamentis detinetur: uno lato, crasso, & membranoso, ...

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...

1844CruveilhierJ

Fragments from the book Cruveilhier J. The Anatomy of the Human Body (1844). The author discusses the anatomy and role of the ligamentum capitis femoris (LCF). Quote p. 94 The head (i, figs. 49 and 50) is the most regularly spheroidal of all the eminences in the skeleton, and forms nearly two thirds of a sphere. In the middle of it we observe a rough depression (k) of variable dimensions, which gives attachment to the round ligament. Quote pp. 159-162 COXO-FEMORAL ARTICULATION (fig. 76). Preparation. Remove with care all the muscles that surround the joint, preserving the reflected tendon of the rectus femoris. The psoas and iliacus muscles, the synovial capsule of which so often communicates with the articular synovial membrane, must be removed with particular care. After the fibrous capsule has been studied upon its external surface, a circular division should be made round its middle portion, for the purpose of uncovering the deep-situated parts. This articulation is the ...

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