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The arcuate popliteal ligament is an Y-shaped extracapsular ligament of the knee. It is formed as a thickening of the posterior fibres of the joint capsule of the knee. It reinforces the knee joint capsule inferolaterally.

Anatomy

From its fibular attachment, the ligament extends superomedially over the tendon of the popliteus muscle, spreading out superficial to the posterior aspect of the tendon.

Attachments

Its inferior attachment is at the posterior aspect of the head of the fibula.

It has two superior attachments:

• The medial part of the ligament extends superficial to the tendon of popliteus muscle to attach at the posterior part of the intercondylar area of tibia.
• The lateral part forms a separate band that extends to the posterior part of the lateral condyle of femur alongside the tendon of popliteus muscle.

References

1. ^ Gray, Henry (1918). Gray's Anatomy (20th ed.).
2. ^ Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). ISBN 978-0-7295-3752-0.
3. ^ Palastanga, Nigel; Soames, Roger (2012). Anatomy and Human Movement: Structure and Function. Physiotherapy Essentials (6th ed.). Edinburgh: Churchill Livingstone/Elsevier. p. 307. ISBN 978-0-7020-3553-1.

External links

• lljoints at The Anatomy Lesson by Wesley Norman (Georgetown University) (postkneejointsuperfic)
• Anatomy photo:17:02-0400 at the SUNY Downstate Medical Center - "Major Joints of the Lower Extremity: Knee Joint"

• Anatomy

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