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

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