Coronary Ligaments of the Knee

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Original Editor-Simisola AjeyalemiandRewan Elsayed Elkanafany

Top Contributors-Chloe Waller,Simisola Ajeyalemi,Rewan Elsayed Elkanafany,Kim JacksonandTien Yunn How

Description[edit|edit source]

The coronaryligaments, also known as themeniscotibial ligaments,are part of the fibrous capsule of the膝关节. They are made up of the medial coronary ligament and the lateral coronary ligament. They connect the inferior edges of themeniscito the of thetibial plateau[1].

Function[edit|edit source]

The coronary ligaments support rotational stability of the knee and prevent anteriortibialtranslation[2].

Clinical relevance[edit|edit source]

Coronary ligament injuries can lead to other knee joint pathology and negatively alter thebiomechanicsof the knee[3]. Lesions to the coronary ligaments can increase rotational instability[4]. They can also cause increased strain on theanterior cruciate ligamentor menisci[5][6]. This leads to risk of meniscal extrusion or other injury to these structures[7]. Research suggests coronary ligament injuries are under diagnosed and untreated, as they present similar to meniscus pathologies[3].

Assessment[edit|edit source]

Common signs and symptoms of coronary ligament injury include[8]:

  • Tenderness along the lateral and medial aspects of the knee joint line.
  • Feeling of instability.
  • Sharp pain during knee flexion or rotational movements.
  • Usually have full range of motion but feel discomfort at end of the range flexion and extension.


Swelling is not common in these injuries.

After getting a thoroughhistory, the physical examination should include:


If required,MRI scanscan be used to confirm the diagnosis.

Treatment[edit|edit source]

Knee physio.jpg

Treatment will vary according to the injury, the severity and if other structures have been affected.

First line treatment for coronary ligaments includesRICE,medicinessuch as painkillers or anti-inflammatories and physiotherapy[8]. Physiotherapy will be tailored to improving biomechanics and strengthen the surrounding muscles, especially thequadriceps.

Surgery may be required if the injury is severe, to promote stability of the knee, or in order to protect other structures from further strain[3]. One study found repair of medial coronary ligaments reduced meniscal extrusion, which may improve meniscal function and reduce the risk forosteoarthritis[9].

References[edit|edit source]

  1. ↑Guy S, Ferreira A, Carrozzo A, Delaloye JR, Cavaignac E, Vieira TD, Sonnery-Cottet B.Isolated Meniscotibial Ligament Rupture: The Medial Meniscus "Belt Lesion".Arthrosc Tech. 2022 Jan 13;11(2):e133-e138.
  2. ↑Feger J, Knipe H, Knipe H, et al. Meniscotibial ligaments. Available from:https://radiopaedia.org/articles/meniscotibial-ligaments(Accessed on 21 Nov 2022)
  3. ↑3.03.13.2Smith PA, Humpherys JL, Stannard JP, Cook JL.Impact of Medial Meniscotibial Ligament Disruption Compared to Peripheral Medial Meniscal Tear on Knee Biomechanics. J Knee Surg. 2021 Jun;34(7):784-792
  4. ↑答:珀尔帖,t .发号施令,l . Maubisson P r .上面. Neyret, S. Lustig.The role of the meniscotibial ligament in posteromedial rotational knee stabilityKnee Surg Sports Traumatol Arthrosc 2015 23:2967–2973
  5. ↑Krych AJ, Bernard CD, Leland DP, Camp CL, Johnson AC, Finnoff JT, Stuart MJ.Isolated meniscus extrusion associated with meniscotibial ligament abnormality.Knee Surg Sports Traumatol Arthrosc. 2020 Nov;28(11):3599-3605.
  6. ↑Smith PA, Humpherys JL, Stannard JP, Cook JL.Impact of Medial Meniscotibial Ligament Disruption Compared to Peripheral Medial Meniscal Tear on Knee Biomechanics.J膝盖Surg. 2021年6月,34(7):784 - 792。
  7. ↑Mariani PP, Torre G, Battaglia MJ.The post-traumatic meniscal extrusion, sign of meniscotibial ligament injury. A case series.Orthop Traumatol Surg Res. 2022 May;108(3):103226.
  8. ↑8.08.1Otten MHC. Pain in the Coronary Ligaments of the Knee: How Regenerative Therapies Can Help. Available from:https://cellaxys.com/pain-in-the-coronary-ligaments-of-the-knee-how-regenerative-therapies-can-help/(Accessed 22/11/2022).
  9. ↑Paletta GA Jr, Crane DM, Konicek J, Piepenbrink M, Higgins LD, Milner JD, Wijdicks CA.Surgical Treatment of Meniscal Extrusion: A Biomechanical Study on the Role of the Medial Meniscotibial Ligaments With Early Clinical Validation. Orthop J Sports Med. 2020 Jul 29;8(7):2325967120936672.
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