Posterior colliculus

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The posterior colliculus is the posterior portion of the medial malleolus of the distal tibia^[1] which is smaller in size comparing to the anterior colliculus. It has an attachment of the posterior tibiotalar ligament which is a part of deltoid ligament on the medial side of the ankle.

References

^ "Wheeless' Textbook of Orthopaedics". Wheeless Online.

Bones of the human leg

upper extremity	head fovea neck greater trochanter fossa lesser trochanter intertrochanteric line intertrochanteric crest quadrate tubercle
shaft	linea aspera upper medial: merges with intertrochanteric line upper intermediate: pectineal line upper lateral: gluteal tuberosity / third trochanter
lower extremity	adductor tubercle patellar surface epicondyles lateral medial condyles lateral medial intercondylar fossa

upper extremity	Gerdy's tubercle condyles lateral medial intercondylar area
shaft	tuberosity soleal line
lower extremity	medial malleolus Anterior colliculus Posterior colliculus fibular notch

lateral malleolus

Other

patella
- apex

Tarsus	calcaneus sustentaculum tali calcaneal tubercle talus navicular cuboid cuneiform medial intermediate lateral
Metatarsals	1st 2nd 3rd 4th 5th
Other	Phalanges

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