Medial collateral ligament of the knee

Dr Amir Rezaee and Dr Shu Su et al.

The medial (tibial) collateral ligament (MCL) of the knee is a flat, triangular band on its medial aspect and has superficial and deep portions.

Gross anatomy

It originates at the medial femoral epicondyle, anteroinferior to the adductor tubercle, superior to the superficial medial collateral ligament attachment, and anterior to the medial gastrocnemius tendon attachment, and has two insertion sites at upper medial surface of the tibia. It attaches mainly to soft tissue namely the anterior band of the semimemberanous then continues inferiority to attach to tibial periostium deep to the pes anserine attachment. The posterior aspect of the medial collateral ligament blends into the posterior oblique ligament  and knee capsule. The deep portion is attached to the medial meniscus 1

Related pathology

Anatomy: Lower limb
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Article information

rID: 31366
Section: Anatomy
Tag: knee, refs
Synonyms or Alternate Spellings:
  • Medial femoral collateral ligament
  • MCL
  • Tibial collateral ligament

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