An avulsion fracture is where a tendon or ligament tears off a bone, taking a fragment of the bone away with it.


Easily missed

The bony fragment of an avulsion fracture may be easily missed on X-ray. Common avulsions include tibial tubercle avulsion and tibial spine avulsion.


Common joint surface problems in the knee

A quick overview of the problems one sees in the white joint cartilage at the end of the bones in the knee joint.



The Segond Fracture Is an Avulsion of the Anterolateral Complex. Shaikh H, Herbst E, Rahnemai-Azar AA, Bottene Villa Albers M, Naendrup JH, Musahl V, Irrgang JJ and Fu FH. Am J Sports Med. 2017 Aug;45(10):2247-2252. doi: 10.1177/0363546517704845. Epub 2017 May 12.

Open Reduction and Internal Fixation of Isolated Posterior Cruciate Ligament Avulsion Fractures: Clinical and Functional Outcome. Joshi S, Bhatia C, Gondane A, Rai A, Singh S and Gupta S. Knee Surg Relat Res. 2017 Sep; 29(3): 210–216.

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