Clarke’s Test Modified is an orthopaedic test of the knee that assess the patellofemoral joint. A positive test can indicate signs of chondromalacia patella or degeneration of the patellofemoral joint.
- Patient supine with leg straight.
- Examiner compresses the quadriceps muscle 2 cm above the superior pole of the patella.
- The patient is then instructed to contract the quadriceps muscle.
Contraction of the quadriceps compresses the patella against the femoral condyles.
Positive Clarke’s Test Modified
Retropateltar pain: Chondromalacia patella, degeneration of the patellofemoral joint.
Chondromalacia patella causative factors; recurrent patellar dislocation, patella alta and other congenital anomalies, quadriceps muscle imbalance, increased Q-angle at the knee, direct patellar trauma.