We need you! See something you could improve? Make an edit and help improve WikSM for everyone.
Patellar Compression Test
From WikiSM
Other Names
- Clarke's Test
- Clarks Test
- Clarke Sign
- Patella compression test
Purpose
- Evaluate the Patellofemoral Joint as a cause of knee pain
Description
- The patient is supine with leg extended in a neutral position
- The examiner places the superior pole of the patella in the webspace between their 1st and 2nd digits while applying caudal pressure
- The patient is instructed to gently and gradually contract the quadriceps muscle.
- Positive Test:
- Patellofemoral Joint Pain
- Patient often unable to complete test
Pathology
- Patellofemoral Pain Syndrome
- Chondromalacia Patellae
- Patellofemoral Osteoarthritis
- Patellar Instability
Evidence
- Nijs et al[1]
- Sensitivity: 48%
- Specificity: 75%
- LR+: 1.9
- LR-: 0.7
- PPV: 68
- NPV: 57
See Also
References
- ↑ Nijs, J., Van Geel, C., Van der Auwera, C., & Van de Velde, B. (2006). Diagnostic value of five clinical tests in patellofemoral pain syndrome. Manual Therapy, 11(1), 69e77.
Created by:
John Kiel on 10 April 2022 10:30:49
Authors:
Last edited:
25 April 2023 14:01:52
Category: