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Is patellofemoral joint osteoarthritis an under-recognised outcome of anterior cruciate ligament reconstruction? A narrative literature review
  1. Adam G Culvenor1,
  2. Jill L Cook2,
  3. Natalie J Collins3,4,
  4. Kay M Crossley1,3
  1. 1Division of Physiotherapy, School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Queensland, Australia
  2. 2Department of Physiotherapy, School of Primary Health Care, Monash University, Melbourne, Victoria, Australia
  3. 3Department of Mechanical Engineering, The University of Melbourne, Parkville, Australia
  4. 4Department of Physiotherapy, Melbourne School of Health Sciences, The University of Melbourne, Parkville, Australia
  1. Correspondence to Dr Kay M Crossley, Division of Physiotherapy, School of Health and Rehabilitation Sciences, The University of Queensland, Building 84A, St Lucia, Queensland 4072, Australia; k.crossley{at}


Patellofemoral joint (PFJ) osteoarthritis (OA) is a prevalent disease capable of being a potent source of knee symptoms. Although anterior cruciate ligament (ACL) injury and reconstruction (ACLR) are well-established risk factors for the development of tibiofemoral joint OA, PFJ OA after ACL reconstruction has gone largely unrecognised. This is despite the high prevalence of anterior knee pain after ACLR, which can reduce the capacity for physical activity and quality of life. The susceptibility of the PFJ to degenerative change after ACLR may have implications for current rehabilitation strategies. This review summarises the evidence describing the prevalence of PFJ OA after ACLR and examines why this compartment may be at increased risk of early onset OA after ACLR. Strategies that address the modifiable factors for risk of PFJ OA may aid in alleviating joint loads and symptoms for people after ACLR.

  • Acl
  • Osteoarthritis
  • Knee Acl
  • Knee Injuries
  • Knee Surgery

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