Free online Kujala (Anterior Knee Pain Scale) score calculator

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About the score:

The Kujala Anterior Knee Pain Scale was published in 1993. It is a patient reported assessment of patellofemoral disorders that assesses subjective symptoms and functional limitations.
The original study group for the score featured patients with subjects with anterior knee pain, patellar subluxation, and patellar dislocation, in addition to a control group. 13 questions on the Kujala questionnaire total to 100 points. The original 1993 study found statistically significant between group differences for all 13 questions.

Original Literature:

Kujala, Urho M., et al. “Scoring of patellofemoral disorders.” Arthroscopy 9.2 (1993): 159-163.

Validation Literature:

Crossley, Kay M., et al. “Analysis of outcome measures for persons with patellofemoral pain: which are reliable and valid? 1.” Archives of physical medicine and rehabilitation 85.5 (2004): 815-822.
Bennell, Kim, et al. “Outcome measures in patellofemoral pain syndrome: test retest reliability and inter-relationships.” Physical Therapy in Sport 1.2 (2000): 32-41.

Additional Literature:

Singer, Barby, and Kevin Singer. “Anterior knee pain scale.” Australian journal of physiotherapy 55.2 (2009): 140.

About the score developer:

The Kujala Anterior Knee Pain Scale was developed by Urho M. Kujala who is Professor of Sports & Exercise Medicine in the Department of Health Sciences at the University of Jyväskylä in Finland.
His research interest include physical rehabilitation and sports science.
To view his publications, please visit PubMed.