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LCF in 2026 (January)

 

LCF in 2026 (January) 

(Quotes from articles and books published in January 2026 mentioning the ligamentum capitis femoris) 


Villegas Meza, A. D., Nocek, M., Felan, N. A., Speshock, A., Bolia, I. K., & Philippon, M. J. (2025). Hip Microinstability: Current Concepts in Diagnosis, Surgical Management, and Outcomes A Narrative Review. Open Access Journal of Sports Medicine, 205-221.  [i]  tandfonline.com  ,  dovepress.com

 

Wang, C. H., Wang, J. H., Lin, Y. H., Shih, C. A., & Hong, C. K. (2026). An Unusual Mechanical Cause of Hip Subluxation Following Modified Dunn Procedure for Slipped Capital Femoral Epiphysis: A Case Report. Formosan Journal of Musculoskeletal Disorders, 10-4103.  [ii]   journals.lww.com

 

Alsaghaier, A. (2026). Results of spica cast in treatment of developmental dysplasia of the hip in children between 6-18 Months. Journal of Academic Research, 30, 28-43.  [iii]  lam-journal.ly

 

Elnewishy, A., Khan, P. Z., Shalan, Y., Khan, S. I., Teama, H., Noureldin, M., ... & Shalan Jr, Y. (2026). Labral Repair Versus Labral Reconstruction in Arthroscopic Treatment of Femoroacetabular Impingement: A Systematic Review and Meta-Analysis. Cureus, 18(1):e101348.  [iv]  pmc.ncbi.nlm.nih.gov

 

Sanjay, P., Diwakar, R., Singh, S., Gujarathi, R. H., Purohit, B. J., & Patni, K. (2026). A Review of Pediatric Orthopedic Disorders: Diagnosis and Treatment Updates. Cureus, 18(1).  [v]  assets.cureus.com

 

Arkhipov, S. V. (2026). A Novel Technique for Proximal Fixation of Ligamentum Capitis Femoris Reconstruction: The Gifts of the Magifor Orthopedic Surgeons. About Round Ligament of Femur. January 14, 2026.  [vi]  researchgate.net

 

Bekmetov, R. A., & Babajanov, K. B. (2025). HISTOMORPHOLOGICAL AND HISTOCHEMICAL CHANGES IN THE HIP JOINT IN POST-TRAUMATIC COXARTHROSIS. Central Asian Journal of Medicine, (8), 49-54.  [vii]  scholar.google.com



[Ru] Дайджест публикаций о ligamentum capitis femoris: 


NB! Fair practice / use: copied for the purposes of criticism, review, comment, research and private study in accordance with Copyright Laws of the US: 17 U.S.C. §107; Copyright Law of the EU: Dir. 2001/29/EC, art.5/3a,d; Copyright Law of the RU: ГК РФ ст.1274/1.1-2,7



[i]

Purpose: 

To synthesize contemporary evidence on definitions, diagnosis, imaging, management, and outcomes in hip microinstability and to propose a phenotype-guided framework grounded in the labrum-capsule-ligamentum teres (LT) stability continuum.

 

Mechanistically, capsular ligaments provide the primary rotational and translational restraints across most of the arc of motion, with the labrum and ligamentum teres serving as secondary stabilizers.24 The relative contribution of the ligamentum teres increases in positions of high flexion with adduction and external rotation, which helps explain the position-dependent increases in excursion observed following capsular injury or insufficiency.24 This ligament-angle relationship aligns with clinical observations of apprehension and giving-way in provocative positions, underscoring the rationale for measured capsular management and labral seal restoration in surgical treatment algorithms.24

 

Ligamentum Teres

The ligamentum teres (LT) augments stability by resisting distraction and constraining rotation at high flexion angles.39,40 Although the LT’s contribution to microinstability is adjunctive rather than primary, LT pathology is observed frequently in athletes who perform extreme ROM.41 Addressing LT lesions in the context of optimized capsulolabral management leads to symptomatic improvement.42,43

 

Ligamentum Teres—Function, Indications, and Outcomes

The LT provides measurable end-range rotational restraint and contributes to distraction resistance, particularly in high flexion/adduction/external-rotation positions.39,40 Debridement may relieve symptoms from partial or degenerative tears; LT reconstruction (auto/allograft) is reserved for refractory instability after labral and capsular optimization.42

Systematic reviews and ≥ 2-year series report short-term improvements in PROs, with reoperation rates of approximately 10–20% and limited long-term survivorship data.42,99 LT reconstruction better serves as an adjunct rather than a primary stabilizing procedure.43,100 RTS following LT reconstruction is inconsistent and commonly reported to be around 40–60% in available series.43,100 Given variable outcomes and lower-level evidence, LT reconstruction is best viewed as an adjunctive procedure rather than a stand-alone stabilizer.

Biomechanically, LT contribution is modulated by structural morphology (length, cross-sectional area, and insertional integrity) and by the status of the capsulolabral complex.39,40 Shorter or thicker LTs tend to demonstrate greater stiffness and higher load-to-failure, whereas attenuated ligaments engage later and tolerate lower loads, predisposing to earlier terminal rotation.39,40 For these reasons, LT reconstruction is most rational when (1) labral seal and capsular function have been optimized but symptomatic end-range rotational laxity persists, (2) imaging or arthroscopy documents marked LT attenuation or partial absence, and (3) intraoperative testing shows persistent excess terminal rotation or drive-through despite repair and plication.42,43 Routine primary LT reconstruction is not supported by high-level evidence; morphology-informed selection (MRI/arthroscopic measurement of LT length and cross-sectional area (CSA) plus quantitative intraoperative rotation testing) strengthens mechanistic justification and should be incorporated into future comparative studies.

 

Future progress hinges on standard definitions, objective laxity measurement, multicenter comparative-effectiveness- research, and rehabilitation trials tailored to microinstability—with specific attention to the unanswered role of dynamic stabilizers and the durability of LT reconstruction and femoral head-neck remplissage.16,53,59,66,115

 

24. van Arkel RJ, Amis AA, Cobb JP, Jeffers JR. The capsular ligaments provide more Hip rotational restraint than the acetabular labrum and the ligamentum teres: an experimental study. Bone Joint J. 2015;97–b(4):484–491.

39. Martin HD, Hatem MA, Kivlan BR, Martin RL. Function of the ligamentum teres in limiting Hip rotation: a cadaveric study. Arthroscopy. 2014;30(9):1085–1091. doi:10.1016/j.arthro.2014.04.087

40. Jo S, Hooke AW, An KN, Trousdale RT, Sierra RJ. Contribution of the ligamentum teres to hip stability in the presence of an intact capsule: a cadaveric study. Arthroscopy. 2018;34(5):1480–1487. doi:10.1016/j.arthro.2017.12.002

41. Wu JY, Li W, Xu LY, Zheng G, Chen XD, Shen C. Ligamentum teres tears and increased combined anteversion are associated with hip microinstability in patients with borderline dysplasia. Arthroscopy. 2024;40(3):745–751. doi:10.1016/j.arthro.2023.06.041

42. de SD, Phillips M, Philippon MJ, Letkemann S, Simunovic N, Ayeni OR. Ligamentum teres injuries of the Hip: a systematic review examining surgical indications, treatment options, and outcomes. Arthroscopy. 2014;30(12):1634–1641. doi:10.1016/j.arthro.2014.06.007

43. Shapira J, Yelton MJ, Rosinsky PJ, et al. ligamentum teres reconstruction may lead to improvement in outcomes following a secondary hip arthroscopy for symptomatic microinstability: a systematic review. Arthroscopy. 2021;37(6):1811–1819.e1811. doi:10.1016/j.arthro.2021.01.022

99. Hartigan DE, Hegedus CE. Editorial commentary: ligamentum teres reconstruction may improve hip stability but has high revision rates: fad or restoration of function? Arthroscopy. 2021;37(6):1820–1821. doi:10.1016/j.arthro.2021.02.037

100. Rosinsky PJ, Annin S, Maldonado DR, et al. Arthroscopic ligamentum teres reconstruction: minimum 2-year patient-reported outcomes with subanalysis of patients with ehlers-danlos syndrome. Arthroscopy. 2020;36(8):2170–2182. doi:10.1016/j.arthro.2020.04.028

  

[ii]

Approximately 4% of patients treated with the modified Dunn procedure develop postoperative hip instability, with common causes including capsular laxity, resection of the ligamentum teres, and excessive shortening of the femoral neck.[5] It is clinically crucial to be cautious of residual laxity, as it may compromise postoperative stability, joint congruence, and functional outcomes if left unaddressed.[5] 

5. Upasani VV, Birke O, Klingele KE, Millis MB International SCFE Study Group. Iatrogenic hip instability is a devastating complication after the modified Dunn procedure for severe slipped capital femoral epiphysis. Clin Orthop Relat Res 2017;475:1229–35.

  

[iii] 

Delayed treatment may lead to structural changes such as inverted labrum, hypertrophied ligamentum teres, pulvinar tissue, and capsular tightening.

 

[iv] 

Both autograft and allograft tissues have been successfully used for labral reconstruction, including graft sources such as the iliotibial band, gracilis tendon, and ligamentum teres. In particular, circumferential allograft reconstruction (in which the graft replaces the labrum around the entire acetabular rim) has demonstrated excellent mid-term outcomes and low failure rates in both primary and revision hip arthroscopy settings. 25 

25.Allograft labral reconstruction of the hip: expanding evidence supporting greater utilization in hip arthroscopy. White BJ, Constantinides SM. Curr Rev Musculoskelet Med. 2022;15:27–37. doi: 10.1007/s12178-022-09741-y. 

 

[v] 

Open reduction through an anterior approachin irreducible hips enables the removal of such obstacles as the pulvinar or hypertrophic ligamentum teres [12].

Fong, A. K., Allen, M. D., Waltzman, D., Sarmiento, K., Yeates, K. O., Suskauer, S., ... & Loewen, J. L. (2021). Neuroimaging in pediatric patients with mild traumatic brain injury: relating the current 2018 Centers for Disease Control guideline and the potential of advanced neuroimaging modalities for research and clinical biomarker development. Journal of neurotrauma, 38(1), 44-52.

 

[vi]

Abstract:

An experimental technique for reconstruction of the ligamentum capitis femoris (ligamentum teresfemoris) is described. The proposed method involves creating two portions of the ligament analog:a pubic portion and an ischial portion. Fixation of these portions is performed in ischial and pubictunnels drilled in the corresponding pelvic bones. The technique was tested on a hip joint model.In arthroscopic reconstruction, it is proposed to provide visualization through the inferior approachand the femoral tunnel without distraction in the joint.


[vii]

Conclusion.

In the case of hip-femoral joint injury, the development of sharp morphological changes in the ligament of the head of the femur, the tendon inside the acetabulum, the tendon covering the femur head, and then in the synovial membrane of the joint bag, the deepening of destructive and degenerative changes is an irreversible process and is considered the main indication for endoprosthesis.

  


Author:

Arkhipov S.V. – candidate of medical sciences, surgeon, traumatologist-orthopedist. 


Keywords

ligamentum capitis femoris, ligamentum teres, ligament of head of femur, history 

                                                                                                                      


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