✅ Knee MRI Mastery/Chap 3.Collateral Ligaments

(Fig 3-A.41) Oblique Popliteal Ligament MRI Anatomy

MSK MRI 2024. 5. 13. 18:39

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출처: https://mskmri.tistory.com/1056 [MSK MRI:티스토리]

📌Oblique Popliteal Ligament

  • A broad component extends into the OPL, which courses along the posterior capsule of the knee.
  • Laterally, the OPL attaches to the fabella, meniscofemoral portion of the posterolateral joint capsule, and plantaris muscle.
  • On coronal imaging, the OPL appears as an obliquely oriented thick band.
  • While sometimes thin, a thickened OPL can be seen extending obliquely from the semimembranosus tendon toward the lateral femoral condyle.

✅ Capsular arm of Posterior Oblique Ligament

  • The superior/capsular arm of the POL is mainly superior to the joint line and continuous with the posterior joint capsule.
  • It merges with the capsular arm of the semimembranosus tendon to form the proximal OPL.

✅ Extension to the OPL of Semimembranosus tendon expansion

  • Forms a tendinous expansion towards the OPL, running along the posterior capsule of the knee about 2 cm above the joint line.



Radiographics. 2015 Jul-Aug;35(4):1123-37

Radiol Clin North Am. 2013 May;51(3):413-32

Skeletal Radiol. 2014 Jun;43(6):781-91.

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#semimembranosus, #kneeMRI, #Kneeanatomy, #semimembranosustendon, #Fabella, #OPL, #POL, #jointcapsule