Patella Tests / Patellofemoral Pain Syndrome (PFPS)
| Moving Patellar Apprehension TestLateral Patellar Instability | 100 | 88.4 | 8.6 | ||
| Cluster of Cook 1/3Patellofemoral Pain Syndrome | — | — | — | ||
| Cluster of Cook 2/3Patellofemoral Pain Syndrome | — | — | — | ||
| Cluster of Cook 3/3Patellofemoral Pain Syndrome | — | — | — | ||
| Patellar Apprehension TestPatella Dislocation | 39 | 86 | 2.8 | ||
| Anterior Knee Pain Provocation Test | — | — | — | ||
| Clarke’s Sign / Patellar Grind TestPatellofemoral Pain / Chondromalacia Patellae | 39 | 67 | 1.2 | ||
| Decline Step-Down TestPatellofemoral Pain Syndrome | — | — | — |