Waldron Test

 Waldron Test

What is Waldron Test?

Waldron Test (or as it called a unilateral squat) is used to evaluate the presence of patellofemoral syndrome or the runner’s knee.

How it’s Performed?

Waldron Test
Waldron Test

What does a positive Waldron Test mean?

Nijs et al.1 reported unimpressive positive and negative likelihood ratios for this test.

Patellofemoral syndrome

Patellofemoral syndrome is most common in young teenage girls and young men in their 20s. It’s the most common cause of anterior knee pain.

Other differential diagnosis of anterior knee pain include:

  1. Tears of the menisci
  2. medial synovial plica syndrome.
  3. inflammatory or degenerative arthritis.
  4. tumors of the joint.
  5. ligament injuries that mimic patellar instability.
  6. osteochondritis dissecans of the medial femoral condyle.
  7. prepatellar bursitis.
  8. patellar tendinitis.
  9. inflammation of the patellar fat pad.
  10. Sindig Larsen Johansson syndrome.
Patellofemoral syndrome


  1. Nijs J, Van Geel C, Van der auwera C, Van de Velde B. Diagnostic value of five clinical tests in patellofemoral pain syndrome. Man Ther. 2006 Feb;11(1):69-77. doi: 10.1016/j.math.2005.04.002. Epub 2005 Jun 13. PMID: 15950517.
  2. Waldron VD: A test for chondromalacia patella. Orthop Rev 12:103, 1983.
  3. Dutton’s Orthopaedic Examination, Evaluation, And Intervention 3rd Edition.

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