Sulcus angle

The sulcus angle is a measurement of the steepness of the walls of the groove in which the kneecap rides (the trochlear groove).

 

Patellar instability

This measurement would be taken in patients being investigated for the cause of instability of the patella.

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Related Content

The unstable patella

A discussion about patellar instability, the factors that may cause the patella to sublux or dislocate, and what can be done about it.

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CLINICAL PUBLICATIONS

Minor change in the sulcus angle during the first six years of life: a prospective study of the femoral trochlea development in dysplastic and normal knees. Øye CR, Foss OA and Holen KJ. J Child Orthop. 2018 Jun 1; 12(3): 245–250.

See also -

eBook - Factors contributing to an Unstable Patella