Dislocated patella physical examination

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Grace M. Gibson

Overview

Diagnosis is made through palpation of the knee. The patient can do the patella tracking assessment by making a single leg squat and standing, or, lying on his or her back with knee extended from flexed position. A patella that slips medially on early flexion is called the J sign, and indicates imbalance between the VMO and lateral structures.^[1]

References

↑ Family Practice Notebook > Patella Tracking Assessment by Scott Moses, last revised before 5/10/08

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[1] Family Practice Notebook > Patella Tracking Assessment by Scott Moses, last revised before 5/10/08

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