References
  1.  Sala D, Silvestre A, Gomar-Sancho F. Intraosseous hyperpressure of the patella as a cause of anterior knee pain. Medscape Orth Sports Med. 1999;3:1–8.
  2.  OrthoInfo. Diseases and conditions. Available from: http://orthoinfo.aaos.org/topic.cfm?topic=A00074 (accessed 27 May 2020)
  3.  Crowther MA, Mandal A, Sarangi PP. Propagation of stress fracture of the patella. Br J Sports Med. 2005;39(2):e6.
  4.  Helfenstein M Jr, Kuromoto J. Anserine syndrome. Rev Bras Reumatol. 2010;50(3):313-327.
  5.  Dixit S, DiFiori JP, Burton M, Mines B. Management of patellofemoral pain syndrome. Am Fam Physician. 2007;75(2):194-202.
  6.  Suzanne Werner, Anterior knee pain: an update of physical therapy, Knee Surg Sports Traumatol Artrosc (2014) 22:2286-2294.
  7. ↑ Jump up to:7.0 7.1 7.2 7.3 Witvrouw E, Werner S, Mikkelsen C, Van Tiggelen D, Berghe Vanden L, Cerulli G. Clinical classification of patellofemoral pain syndrome: guidelines for non-operative treatment. Knee Surg Sports Traumatol Arthrosc. 2005, 13 (2): 122-130.
  8.  Vincente Sanchis-Alfonso, Holistic approach to understand anterior knee pain. Clinical implications, Knee Surg Sports Traumatol Artrosc (2014) 22:2257-2285
  9.  Houghton KM. Review for the generalist: evaluation of anterior knee pain. Pediatric Rheumatology Online Journal. 2007;5:8. doi:10.1186/1546-0096-5-8.
  10.  Llopis E, Padron M. Anterior knee pain, European journal of radiology. 2017; 62(1): 27–43
  11.  Kujala UM, Jaakkola LH, Koskinen SK, Taimela S, Hurme M, Nelimarkka O. Scoring of patellofemoral disorders. Arthroscopy. 1993;9(2):159–63.
  12.  Foss KD, Myer GD, Chen SS, Hewett TE. Expected Prevalence From the Differential Diagnosis of Anterior Knee Pain in Adolescent Female Athletes During Preparticipation Screening. Journal of Athletic Training. 2012; 47(5): 519-524
  13.  Ittenbach RF, Huang G, Barber Foss KD, Hewett TE, Myer GD. Reliability and Validity of the Anterior Knee Pain Scale: Applications for Use as an Epidemiologic Screener. Rudan J, ed. PLoS ONE. 2016;11(7):e0159204. doi:10.1371/journal.pone.0159204.
  14.  Watson CJ, Propps M, Ratner J, Zeigler DL, Horton P, Smith SS. Reliability and Responsiveness of the Lower Extremity Functional Scale and the Anterior Knee Pain Scale in Patients With Anterior Knee Pain. Journal of Orthopaedic and Sport Physical Therapy 2005; 35(3):136‐146. doi:10.2519/jospt.2005.35.3.136
  15.  Smith TO, McNamara I, Donell ST. The contemporary management of anterior knee pain and patellofemoral instability. Knee. 2013;20 Suppl 1:S3‐S15. doi:10.1016/S0968-0160(13)70003-6
  16.  Eng JJ, Pierrynowski MR. Evaluation of soft foot orthotics in the treatment of patellofemoral pain syndrome [published correction appears in Phys Ther 1993;73(5):330]. Phys Ther. 1993;73(2):62‐70. doi:10.1093/ptj/73.2.62
  17.  Ask Doctor Jo. Physical Therapy for Knee Pain Relief – Ask Doctor Jo. Available from: http://www.youtube.com/watch?v=-u4HH8q3tyA [last accessed 27/5/2020]
  18.  Ask Doctor Jo. 10 Best Knee Pain Strengthening Exercises – Ask Doctor Jo. Available from: http://www.youtube.com/watch?v=yQKxITLikiE [last accessed 27/5/2020]
  19.  Logan CA, Bhashyam AR, Tisosky AJ, Haber DB, Provencher MT. Systematic Review of the effect of Taping Techniques on Patellofemoral Pain Syndrome. Sports Health. 2017;9(5):456-461.https://doi.org/10.1177/1941738117710938
  20.  Mason M, Keays SL, Newcombe PA. The effect of taping, quadriceps strengthening and stretching prescribed separately or combined on patellofemoral pain. Physiother Res Int. 2011; 16(2):109-19