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- Patellar J Sign - WikiSM (Sports Medicine Wiki)
The Patellar J Sign is a special examination technique used to help evaluate tracking of the patella at the patellofemoral joint in patients with knee pain
- How Reliable is a J-sign Severity Scale When Assessing . . .
Key Concepts Inter-observer agreement on a 0 to 4 rating scale of J-sign for lateral patellofemoral maltracking was fair while intra-observer agreement was moderate The four-quadrant scale of patellofemoral instability may not reproducibly assess lateral patellar maltracking
- What is the J-sign and why is it important? - Europe PMC
The J-sign is most predominantly associated with patella alta, trochlear dysplasia, lateral force vector, and rotational abnormalities A growing number of studies have shown a correlation between a positive J-sign and lower clinical outcome scores and higher rate of surgical failure
- The J- Sign in Patients with Patellofemoral Instability
The video discusses the J sign, which is considered visual evidence of patellar maltracking Initially associated with VMO deficiency and patellar tilt on imaging, there is now a better understanding of other contributing factors
- Clinical Exam: J-sign Test - POSNAcademy
Supplemental video, JPOSNA August Issue for Submitted Manuscript titled, How Reliable is a J-Sign Severity Scale When Assessing Lateral Patellar Instability?
- Common Physical Examination Tests for Patellofemoral . . .
The purpose of this study was to assess the inter-rater reliability of 3 common physical examination assessments, the Q-angle, J-sign, and apprehension test, used to evaluate patients presenting with recurrent lateral patellofemoral instability
- Patellar Tracking: An Old Problem with New Insights
This sign is a clinical finding that is indicative of patellar maltracking and is associated with patellofemoral pain syndrome The J sign refers to an abnormal inverted J path that the patella takes with active knee extension from flexion in patients with patellar hypermobility
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